Home / 6,149.28-8,487.48-3,498.12

Finding the Fourth Proportional to 6,149.28, 8,487.48 and 3,498.12

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Solution

The fourth proportional to 6,149.28, 8,487.48 and 3,498.12 is: 4,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.28 : 8,487.48 = 3,498.12 : x
  2. Step 2: Convert to fraction form
    6,149.28/8,487.48 = 3,498.12/x
  3. Step 3: Cross multiply
    6,149.28x = 8,487.48 × 3,498.12
  4. Step 4: Simplify right side
    6,149.28x = 29,690,223.54
  5. Step 5: Solve for x
    x = 29,690,223.54/6,149.28
  6. Step 6: Final answer
    x = 4,828.24

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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.