Home / 8,237.80-12,359.40-3,306.12

Finding the Fourth Proportional to 8,237.80, 12,359.40 and 3,306.12

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Solution

The fourth proportional to 8,237.80, 12,359.40 and 3,306.12 is: 4,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.80 : 12,359.40 = 3,306.12 : x
  2. Step 2: Convert to fraction form
    8,237.80/12,359.40 = 3,306.12/x
  3. Step 3: Cross multiply
    8,237.80x = 12,359.40 × 3,306.12
  4. Step 4: Simplify right side
    8,237.80x = 40,861,659.53
  5. Step 5: Solve for x
    x = 40,861,659.53/8,237.80
  6. Step 6: Final answer
    x = 4,960.26

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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.