Home / 8,153.61-12,228.66-3,770.43

Finding the Fourth Proportional to 8,153.61, 12,228.66 and 3,770.43

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Solution

The fourth proportional to 8,153.61, 12,228.66 and 3,770.43 is: 5,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.61 : 12,228.66 = 3,770.43 : x
  2. Step 2: Convert to fraction form
    8,153.61/12,228.66 = 3,770.43/x
  3. Step 3: Cross multiply
    8,153.61x = 12,228.66 × 3,770.43
  4. Step 4: Simplify right side
    8,153.61x = 46,107,306.52
  5. Step 5: Solve for x
    x = 46,107,306.52/8,153.61
  6. Step 6: Final answer
    x = 5,654.83

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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.