Home / 4,925.40-7,387.79-1,637.61

Finding the Fourth Proportional to 4,925.40, 7,387.79 and 1,637.61

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Solution

The fourth proportional to 4,925.40, 7,387.79 and 1,637.61 is: 2,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.40 : 7,387.79 = 1,637.61 : x
  2. Step 2: Convert to fraction form
    4,925.40/7,387.79 = 1,637.61/x
  3. Step 3: Cross multiply
    4,925.40x = 7,387.79 × 1,637.61
  4. Step 4: Simplify right side
    4,925.40x = 12,098,318.78
  5. Step 5: Solve for x
    x = 12,098,318.78/4,925.40
  6. Step 6: Final answer
    x = 2,456.31

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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.