Home / 6,229.50-9,344.10-5,129.42

Finding the Fourth Proportional to 6,229.50, 9,344.10 and 5,129.42

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Solution

The fourth proportional to 6,229.50, 9,344.10 and 5,129.42 is: 7,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,229.50 : 9,344.10 = 5,129.42 : x
  2. Step 2: Convert to fraction form
    6,229.50/9,344.10 = 5,129.42/x
  3. Step 3: Cross multiply
    6,229.50x = 9,344.10 × 5,129.42
  4. Step 4: Simplify right side
    6,229.50x = 47,929,813.42
  5. Step 5: Solve for x
    x = 47,929,813.42/6,229.50
  6. Step 6: Final answer
    x = 7,694.01

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1.5x scale

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.