Home / 8,882.72-12,244.47-6,641.18

Finding the Fourth Proportional to 8,882.72, 12,244.47 and 6,641.18

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Solution

The fourth proportional to 8,882.72, 12,244.47 and 6,641.18 is: 9,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.72 : 12,244.47 = 6,641.18 : x
  2. Step 2: Convert to fraction form
    8,882.72/12,244.47 = 6,641.18/x
  3. Step 3: Cross multiply
    8,882.72x = 12,244.47 × 6,641.18
  4. Step 4: Simplify right side
    8,882.72x = 81,317,729.27
  5. Step 5: Solve for x
    x = 81,317,729.27/8,882.72
  6. Step 6: Final answer
    x = 9,154.60

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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.