Home / 6,654.90-9,988.50-3,370.29

Finding the Fourth Proportional to 6,654.90, 9,988.50 and 3,370.29

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Solution

The fourth proportional to 6,654.90, 9,988.50 and 3,370.29 is: 5,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.90 : 9,988.50 = 3,370.29 : x
  2. Step 2: Convert to fraction form
    6,654.90/9,988.50 = 3,370.29/x
  3. Step 3: Cross multiply
    6,654.90x = 9,988.50 × 3,370.29
  4. Step 4: Simplify right side
    6,654.90x = 33,664,141.67
  5. Step 5: Solve for x
    x = 33,664,141.67/6,654.90
  6. Step 6: Final answer
    x = 5,058.55

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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.