Home / 8,849.68-12,207.92-5,491.44

Finding the Fourth Proportional to 8,849.68, 12,207.92 and 5,491.44

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Solution

The fourth proportional to 8,849.68, 12,207.92 and 5,491.44 is: 7,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.68 : 12,207.92 = 5,491.44 : x
  2. Step 2: Convert to fraction form
    8,849.68/12,207.92 = 5,491.44/x
  3. Step 3: Cross multiply
    8,849.68x = 12,207.92 × 5,491.44
  4. Step 4: Simplify right side
    8,849.68x = 67,039,060.20
  5. Step 5: Solve for x
    x = 67,039,060.20/8,849.68
  6. Step 6: Final answer
    x = 7,575.31

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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.