Home / 5,151.39-7,725.25-2,031.27

Finding the Fourth Proportional to 5,151.39, 7,725.25 and 2,031.27

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Solution

The fourth proportional to 5,151.39, 7,725.25 and 2,031.27 is: 3,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.39 : 7,725.25 = 2,031.27 : x
  2. Step 2: Convert to fraction form
    5,151.39/7,725.25 = 2,031.27/x
  3. Step 3: Cross multiply
    5,151.39x = 7,725.25 × 2,031.27
  4. Step 4: Simplify right side
    5,151.39x = 15,692,068.57
  5. Step 5: Solve for x
    x = 15,692,068.57/5,151.39
  6. Step 6: Final answer
    x = 3,046.18

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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.