Home / 8,728.27-12,049.14-5,586.28

Finding the Fourth Proportional to 8,728.27, 12,049.14 and 5,586.28

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Solution

The fourth proportional to 8,728.27, 12,049.14 and 5,586.28 is: 7,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.27 : 12,049.14 = 5,586.28 : x
  2. Step 2: Convert to fraction form
    8,728.27/12,049.14 = 5,586.28/x
  3. Step 3: Cross multiply
    8,728.27x = 12,049.14 × 5,586.28
  4. Step 4: Simplify right side
    8,728.27x = 67,309,885.96
  5. Step 5: Solve for x
    x = 67,309,885.96/8,728.27
  6. Step 6: Final answer
    x = 7,711.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.