Home / 5,125.75-7,687.92-2,003.59

Finding the Fourth Proportional to 5,125.75, 7,687.92 and 2,003.59

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Solution

The fourth proportional to 5,125.75, 7,687.92 and 2,003.59 is: 3,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.75 : 7,687.92 = 2,003.59 : x
  2. Step 2: Convert to fraction form
    5,125.75/7,687.92 = 2,003.59/x
  3. Step 3: Cross multiply
    5,125.75x = 7,687.92 × 2,003.59
  4. Step 4: Simplify right side
    5,125.75x = 15,403,439.63
  5. Step 5: Solve for x
    x = 15,403,439.63/5,125.75
  6. Step 6: Final answer
    x = 3,005.11

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1.5x scale

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.