Home / 5,125.52-7,689.48-1,839.32

Finding the Fourth Proportional to 5,125.52, 7,689.48 and 1,839.32

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Solution

The fourth proportional to 5,125.52, 7,689.48 and 1,839.32 is: 2,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.52 : 7,689.48 = 1,839.32 : x
  2. Step 2: Convert to fraction form
    5,125.52/7,689.48 = 1,839.32/x
  3. Step 3: Cross multiply
    5,125.52x = 7,689.48 × 1,839.32
  4. Step 4: Simplify right side
    5,125.52x = 14,143,414.35
  5. Step 5: Solve for x
    x = 14,143,414.35/5,125.52
  6. Step 6: Final answer
    x = 2,759.41

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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.