Home / 5,610.80-8,397.84-4,129.61

Finding the Fourth Proportional to 5,610.80, 8,397.84 and 4,129.61

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Solution

The fourth proportional to 5,610.80, 8,397.84 and 4,129.61 is: 6,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.80 : 8,397.84 = 4,129.61 : x
  2. Step 2: Convert to fraction form
    5,610.80/8,397.84 = 4,129.61/x
  3. Step 3: Cross multiply
    5,610.80x = 8,397.84 × 4,129.61
  4. Step 4: Simplify right side
    5,610.80x = 34,679,804.04
  5. Step 5: Solve for x
    x = 34,679,804.04/5,610.80
  6. Step 6: Final answer
    x = 6,180.90

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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.