Home / 8,849.32-12,207-5,531.56

Finding the Fourth Proportional to 8,849.32, 12,207 and 5,531.56

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Solution

The fourth proportional to 8,849.32, 12,207 and 5,531.56 is: 7,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.32 : 12,207 = 5,531.56 : x
  2. Step 2: Convert to fraction form
    8,849.32/12,207 = 5,531.56/x
  3. Step 3: Cross multiply
    8,849.32x = 12,207 × 5,531.56
  4. Step 4: Simplify right side
    8,849.32x = 67,523,752.92
  5. Step 5: Solve for x
    x = 67,523,752.92/8,849.32
  6. Step 6: Final answer
    x = 7,630.39

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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.