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Finding the Fourth Proportional to 7,466.76, 10,302.12 and 4,813.20

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Solution

The fourth proportional to 7,466.76, 10,302.12 and 4,813.20 is: 6,640.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,466.76 : 10,302.12 = 4,813.20 : x
  2. Step 2: Convert to fraction form
    7,466.76/10,302.12 = 4,813.20/x
  3. Step 3: Cross multiply
    7,466.76x = 10,302.12 × 4,813.20
  4. Step 4: Simplify right side
    7,466.76x = 49,586,163.98
  5. Step 5: Solve for x
    x = 49,586,163.98/7,466.76
  6. Step 6: Final answer
    x = 6,640.92

Related Problems

Find fourth proportional to 3,733.38, 5,151.06 and 2,406.60
Half scale
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Double scale
Find fourth proportional to 7,467.76, 10,303.50 and 4,814.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.