Home / 5,249.61-7,874.42-1,551.56

Finding the Fourth Proportional to 5,249.61, 7,874.42 and 1,551.56

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Solution

The fourth proportional to 5,249.61, 7,874.42 and 1,551.56 is: 2,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.61 : 7,874.42 = 1,551.56 : x
  2. Step 2: Convert to fraction form
    5,249.61/7,874.42 = 1,551.56/x
  3. Step 3: Cross multiply
    5,249.61x = 7,874.42 × 1,551.56
  4. Step 4: Simplify right side
    5,249.61x = 12,217,587.97
  5. Step 5: Solve for x
    x = 12,217,587.97/5,249.61
  6. Step 6: Final answer
    x = 2,327.33

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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.