Home / 5,255.52-7,883.24-1,557.78

Finding the Fourth Proportional to 5,255.52, 7,883.24 and 1,557.78

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Solution

The fourth proportional to 5,255.52, 7,883.24 and 1,557.78 is: 2,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.52 : 7,883.24 = 1,557.78 : x
  2. Step 2: Convert to fraction form
    5,255.52/7,883.24 = 1,557.78/x
  3. Step 3: Cross multiply
    5,255.52x = 7,883.24 × 1,557.78
  4. Step 4: Simplify right side
    5,255.52x = 12,280,353.61
  5. Step 5: Solve for x
    x = 12,280,353.61/5,255.52
  6. Step 6: Final answer
    x = 2,336.66

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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.