Home / 5,249.80-7,244.40-3,155.08

Finding the Fourth Proportional to 5,249.80, 7,244.40 and 3,155.08

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Solution

The fourth proportional to 5,249.80, 7,244.40 and 3,155.08 is: 4,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.80 : 7,244.40 = 3,155.08 : x
  2. Step 2: Convert to fraction form
    5,249.80/7,244.40 = 3,155.08/x
  3. Step 3: Cross multiply
    5,249.80x = 7,244.40 × 3,155.08
  4. Step 4: Simplify right side
    5,249.80x = 22,856,661.55
  5. Step 5: Solve for x
    x = 22,856,661.55/5,249.80
  6. Step 6: Final answer
    x = 4,353.82

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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.