Home / 6,637.90-9,160.44-3,654.02

Finding the Fourth Proportional to 6,637.90, 9,160.44 and 3,654.02

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Solution

The fourth proportional to 6,637.90, 9,160.44 and 3,654.02 is: 5,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.90 : 9,160.44 = 3,654.02 : x
  2. Step 2: Convert to fraction form
    6,637.90/9,160.44 = 3,654.02/x
  3. Step 3: Cross multiply
    6,637.90x = 9,160.44 × 3,654.02
  4. Step 4: Simplify right side
    6,637.90x = 33,472,430.97
  5. Step 5: Solve for x
    x = 33,472,430.97/6,637.90
  6. Step 6: Final answer
    x = 5,042.62

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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.