Home / 5,126.25-7,686.32-2,002.61

Finding the Fourth Proportional to 5,126.25, 7,686.32 and 2,002.61

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Solution

The fourth proportional to 5,126.25, 7,686.32 and 2,002.61 is: 3,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.25 : 7,686.32 = 2,002.61 : x
  2. Step 2: Convert to fraction form
    5,126.25/7,686.32 = 2,002.61/x
  3. Step 3: Cross multiply
    5,126.25x = 7,686.32 × 2,002.61
  4. Step 4: Simplify right side
    5,126.25x = 15,392,710.50
  5. Step 5: Solve for x
    x = 15,392,710.50/5,126.25
  6. Step 6: Final answer
    x = 3,002.72

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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.