Home / 5,248.52-7,245.24-3,989.80

Finding the Fourth Proportional to 5,248.52, 7,245.24 and 3,989.80

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Solution

The fourth proportional to 5,248.52, 7,245.24 and 3,989.80 is: 5,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.52 : 7,245.24 = 3,989.80 : x
  2. Step 2: Convert to fraction form
    5,248.52/7,245.24 = 3,989.80/x
  3. Step 3: Cross multiply
    5,248.52x = 7,245.24 × 3,989.80
  4. Step 4: Simplify right side
    5,248.52x = 28,907,058.55
  5. Step 5: Solve for x
    x = 28,907,058.55/5,248.52
  6. Step 6: Final answer
    x = 5,507.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.