Home / 7,442.38-11,143.56-3,925.06

Finding the Fourth Proportional to 7,442.38, 11,143.56 and 3,925.06

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Solution

The fourth proportional to 7,442.38, 11,143.56 and 3,925.06 is: 5,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.38 : 11,143.56 = 3,925.06 : x
  2. Step 2: Convert to fraction form
    7,442.38/11,143.56 = 3,925.06/x
  3. Step 3: Cross multiply
    7,442.38x = 11,143.56 × 3,925.06
  4. Step 4: Simplify right side
    7,442.38x = 43,739,141.61
  5. Step 5: Solve for x
    x = 43,739,141.61/7,442.38
  6. Step 6: Final answer
    x = 5,877.04

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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.