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Finding the Fourth Proportional to 8,080.10, 12,125.55 and 3,695.30

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Solution

The fourth proportional to 8,080.10, 12,125.55 and 3,695.30 is: 5,545.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.10 : 12,125.55 = 3,695.30 : x
  2. Step 2: Convert to fraction form
    8,080.10/12,125.55 = 3,695.30/x
  3. Step 3: Cross multiply
    8,080.10x = 12,125.55 × 3,695.30
  4. Step 4: Simplify right side
    8,080.10x = 44,807,544.92
  5. Step 5: Solve for x
    x = 44,807,544.92/8,080.10
  6. Step 6: Final answer
    x = 5,545.42

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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.