Home / 5,255.19-7,884.27-1,557.41

Finding the Fourth Proportional to 5,255.19, 7,884.27 and 1,557.41

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Solution

The fourth proportional to 5,255.19, 7,884.27 and 1,557.41 is: 2,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.19 : 7,884.27 = 1,557.41 : x
  2. Step 2: Convert to fraction form
    5,255.19/7,884.27 = 1,557.41/x
  3. Step 3: Cross multiply
    5,255.19x = 7,884.27 × 1,557.41
  4. Step 4: Simplify right side
    5,255.19x = 12,279,001.52
  5. Step 5: Solve for x
    x = 12,279,001.52/5,255.19
  6. Step 6: Final answer
    x = 2,336.55

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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.