Home / 6,239.80-8,610.30-3,445.12

Finding the Fourth Proportional to 6,239.80, 8,610.30 and 3,445.12

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Solution

The fourth proportional to 6,239.80, 8,610.30 and 3,445.12 is: 4,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.80 : 8,610.30 = 3,445.12 : x
  2. Step 2: Convert to fraction form
    6,239.80/8,610.30 = 3,445.12/x
  3. Step 3: Cross multiply
    6,239.80x = 8,610.30 × 3,445.12
  4. Step 4: Simplify right side
    6,239.80x = 29,663,516.74
  5. Step 5: Solve for x
    x = 29,663,516.74/6,239.80
  6. Step 6: Final answer
    x = 4,753.92

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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.