Home / 8,151.84-11,248.76-6,477.30

Finding the Fourth Proportional to 8,151.84, 11,248.76 and 6,477.30

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Solution

The fourth proportional to 8,151.84, 11,248.76 and 6,477.30 is: 8,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.84 : 11,248.76 = 6,477.30 : x
  2. Step 2: Convert to fraction form
    8,151.84/11,248.76 = 6,477.30/x
  3. Step 3: Cross multiply
    8,151.84x = 11,248.76 × 6,477.30
  4. Step 4: Simplify right side
    8,151.84x = 72,861,560.76
  5. Step 5: Solve for x
    x = 72,861,560.76/8,151.84
  6. Step 6: Final answer
    x = 8,938.05

Related Problems

Find fourth proportional to 4,075.92, 5,624.38 and 3,238.65
Half scale
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Double scale
Find fourth proportional to 8,152.84, 11,250.13 and 6,478.30
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.