Home / 5,122.16-7,066.20-3,232.88

Finding the Fourth Proportional to 5,122.16, 7,066.20 and 3,232.88

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Solution

The fourth proportional to 5,122.16, 7,066.20 and 3,232.88 is: 4,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.16 : 7,066.20 = 3,232.88 : x
  2. Step 2: Convert to fraction form
    5,122.16/7,066.20 = 3,232.88/x
  3. Step 3: Cross multiply
    5,122.16x = 7,066.20 × 3,232.88
  4. Step 4: Simplify right side
    5,122.16x = 22,844,176.66
  5. Step 5: Solve for x
    x = 22,844,176.66/5,122.16
  6. Step 6: Final answer
    x = 4,459.87

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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.