Home / 6,862.19-9,469.89-4,029.59

Finding the Fourth Proportional to 6,862.19, 9,469.89 and 4,029.59

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Solution

The fourth proportional to 6,862.19, 9,469.89 and 4,029.59 is: 5,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.19 : 9,469.89 = 4,029.59 : x
  2. Step 2: Convert to fraction form
    6,862.19/9,469.89 = 4,029.59/x
  3. Step 3: Cross multiply
    6,862.19x = 9,469.89 × 4,029.59
  4. Step 4: Simplify right side
    6,862.19x = 38,159,753.90
  5. Step 5: Solve for x
    x = 38,159,753.90/6,862.19
  6. Step 6: Final answer
    x = 5,560.88

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1.5x scale

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.