Home / 5,255.24-7,884.38-1,557.56

Finding the Fourth Proportional to 5,255.24, 7,884.38 and 1,557.56

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Solution

The fourth proportional to 5,255.24, 7,884.38 and 1,557.56 is: 2,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.24 : 7,884.38 = 1,557.56 : x
  2. Step 2: Convert to fraction form
    5,255.24/7,884.38 = 1,557.56/x
  3. Step 3: Cross multiply
    5,255.24x = 7,884.38 × 1,557.56
  4. Step 4: Simplify right side
    5,255.24x = 12,280,374.17
  5. Step 5: Solve for x
    x = 12,280,374.17/5,255.24
  6. Step 6: Final answer
    x = 2,336.79

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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.