Home / 5,031.17-7,546.82-1,521.20

Finding the Fourth Proportional to 5,031.17, 7,546.82 and 1,521.20

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Solution

The fourth proportional to 5,031.17, 7,546.82 and 1,521.20 is: 2,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.17 : 7,546.82 = 1,521.20 : x
  2. Step 2: Convert to fraction form
    5,031.17/7,546.82 = 1,521.20/x
  3. Step 3: Cross multiply
    5,031.17x = 7,546.82 × 1,521.20
  4. Step 4: Simplify right side
    5,031.17x = 11,480,245.25
  5. Step 5: Solve for x
    x = 11,480,245.25/5,031.17
  6. Step 6: Final answer
    x = 2,281.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.