Home / 7,125.12-10,687.56-2,508

Finding the Fourth Proportional to 7,125.12, 10,687.56 and 2,508

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Solution

The fourth proportional to 7,125.12, 10,687.56 and 2,508 is: 3,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.12 : 10,687.56 = 2,508 : x
  2. Step 2: Convert to fraction form
    7,125.12/10,687.56 = 2,508/x
  3. Step 3: Cross multiply
    7,125.12x = 10,687.56 × 2,508
  4. Step 4: Simplify right side
    7,125.12x = 26,804,400.48
  5. Step 5: Solve for x
    x = 26,804,400.48/7,125.12
  6. Step 6: Final answer
    x = 3,761.96

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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.