Home / 8,349.28-11,522.56-4,812.72

Finding the Fourth Proportional to 8,349.28, 11,522.56 and 4,812.72

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Solution

The fourth proportional to 8,349.28, 11,522.56 and 4,812.72 is: 6,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.28 : 11,522.56 = 4,812.72 : x
  2. Step 2: Convert to fraction form
    8,349.28/11,522.56 = 4,812.72/x
  3. Step 3: Cross multiply
    8,349.28x = 11,522.56 × 4,812.72
  4. Step 4: Simplify right side
    8,349.28x = 55,454,854.96
  5. Step 5: Solve for x
    x = 55,454,854.96/8,349.28
  6. Step 6: Final answer
    x = 6,641.87

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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.