Home / 8,809.96-12,158.12-5,272.48

Finding the Fourth Proportional to 8,809.96, 12,158.12 and 5,272.48

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Solution

The fourth proportional to 8,809.96, 12,158.12 and 5,272.48 is: 7,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.96 : 12,158.12 = 5,272.48 : x
  2. Step 2: Convert to fraction form
    8,809.96/12,158.12 = 5,272.48/x
  3. Step 3: Cross multiply
    8,809.96x = 12,158.12 × 5,272.48
  4. Step 4: Simplify right side
    8,809.96x = 64,103,396.93
  5. Step 5: Solve for x
    x = 64,103,396.93/8,809.96
  6. Step 6: Final answer
    x = 7,276.25

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Similar ratio
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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.