Home / 8,872.76-13,281.46-6,535.40

Finding the Fourth Proportional to 8,872.76, 13,281.46 and 6,535.40

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Solution

The fourth proportional to 8,872.76, 13,281.46 and 6,535.40 is: 9,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.76 : 13,281.46 = 6,535.40 : x
  2. Step 2: Convert to fraction form
    8,872.76/13,281.46 = 6,535.40/x
  3. Step 3: Cross multiply
    8,872.76x = 13,281.46 × 6,535.40
  4. Step 4: Simplify right side
    8,872.76x = 86,799,670.55
  5. Step 5: Solve for x
    x = 86,799,670.55/8,872.76
  6. Step 6: Final answer
    x = 9,782.71

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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.