Home / 8,130.40-11,219.28-4,594.24

Finding the Fourth Proportional to 8,130.40, 11,219.28 and 4,594.24

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Solution

The fourth proportional to 8,130.40, 11,219.28 and 4,594.24 is: 6,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.40 : 11,219.28 = 4,594.24 : x
  2. Step 2: Convert to fraction form
    8,130.40/11,219.28 = 4,594.24/x
  3. Step 3: Cross multiply
    8,130.40x = 11,219.28 × 4,594.24
  4. Step 4: Simplify right side
    8,130.40x = 51,544,064.95
  5. Step 5: Solve for x
    x = 51,544,064.95/8,130.40
  6. Step 6: Final answer
    x = 6,339.67

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,131.40, 11,220.66 and 4,595.24
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.