Home / 5,249.63-7,244.51-3,154.97

Finding the Fourth Proportional to 5,249.63, 7,244.51 and 3,154.97

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Solution

The fourth proportional to 5,249.63, 7,244.51 and 3,154.97 is: 4,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.63 : 7,244.51 = 3,154.97 : x
  2. Step 2: Convert to fraction form
    5,249.63/7,244.51 = 3,154.97/x
  3. Step 3: Cross multiply
    5,249.63x = 7,244.51 × 3,154.97
  4. Step 4: Simplify right side
    5,249.63x = 22,856,159.72
  5. Step 5: Solve for x
    x = 22,856,159.72/5,249.63
  6. Step 6: Final answer
    x = 4,353.87

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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.