Home / 7,402.38-11,088.91-3,887.11

Finding the Fourth Proportional to 7,402.38, 11,088.91 and 3,887.11

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Solution

The fourth proportional to 7,402.38, 11,088.91 and 3,887.11 is: 5,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.38 : 11,088.91 = 3,887.11 : x
  2. Step 2: Convert to fraction form
    7,402.38/11,088.91 = 3,887.11/x
  3. Step 3: Cross multiply
    7,402.38x = 11,088.91 × 3,887.11
  4. Step 4: Simplify right side
    7,402.38x = 43,103,812.95
  5. Step 5: Solve for x
    x = 43,103,812.95/7,402.38
  6. Step 6: Final answer
    x = 5,822.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.