Home / 8,872.66-13,318.20-6,535.29

Finding the Fourth Proportional to 8,872.66, 13,318.20 and 6,535.29

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Solution

The fourth proportional to 8,872.66, 13,318.20 and 6,535.29 is: 9,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.66 : 13,318.20 = 6,535.29 : x
  2. Step 2: Convert to fraction form
    8,872.66/13,318.20 = 6,535.29/x
  3. Step 3: Cross multiply
    8,872.66x = 13,318.20 × 6,535.29
  4. Step 4: Simplify right side
    8,872.66x = 87,038,299.28
  5. Step 5: Solve for x
    x = 87,038,299.28/8,872.66
  6. Step 6: Final answer
    x = 9,809.72

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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.