Home / 8,686.39-13,033.23-3,753.49

Finding the Fourth Proportional to 8,686.39, 13,033.23 and 3,753.49

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Solution

The fourth proportional to 8,686.39, 13,033.23 and 3,753.49 is: 5,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.39 : 13,033.23 = 3,753.49 : x
  2. Step 2: Convert to fraction form
    8,686.39/13,033.23 = 3,753.49/x
  3. Step 3: Cross multiply
    8,686.39x = 13,033.23 × 3,753.49
  4. Step 4: Simplify right side
    8,686.39x = 48,920,098.47
  5. Step 5: Solve for x
    x = 48,920,098.47/8,686.39
  6. Step 6: Final answer
    x = 5,631.81

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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.