Home / 5,251.25-7,874.39-1,552.75

Finding the Fourth Proportional to 5,251.25, 7,874.39 and 1,552.75

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Solution

The fourth proportional to 5,251.25, 7,874.39 and 1,552.75 is: 2,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.25 : 7,874.39 = 1,552.75 : x
  2. Step 2: Convert to fraction form
    5,251.25/7,874.39 = 1,552.75/x
  3. Step 3: Cross multiply
    5,251.25x = 7,874.39 × 1,552.75
  4. Step 4: Simplify right side
    5,251.25x = 12,226,943.27
  5. Step 5: Solve for x
    x = 12,226,943.27/5,251.25
  6. Step 6: Final answer
    x = 2,328.39

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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.