Home / 8,201.43-11,318.76-4,665.15

Finding the Fourth Proportional to 8,201.43, 11,318.76 and 4,665.15

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Solution

The fourth proportional to 8,201.43, 11,318.76 and 4,665.15 is: 6,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.43 : 11,318.76 = 4,665.15 : x
  2. Step 2: Convert to fraction form
    8,201.43/11,318.76 = 4,665.15/x
  3. Step 3: Cross multiply
    8,201.43x = 11,318.76 × 4,665.15
  4. Step 4: Simplify right side
    8,201.43x = 52,803,713.21
  5. Step 5: Solve for x
    x = 52,803,713.21/8,201.43
  6. Step 6: Final answer
    x = 6,438.35

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Half scale
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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.