Home / 5,253.38-7,243.66-3,924.85

Finding the Fourth Proportional to 5,253.38, 7,243.66 and 3,924.85

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Solution

The fourth proportional to 5,253.38, 7,243.66 and 3,924.85 is: 5,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.38 : 7,243.66 = 3,924.85 : x
  2. Step 2: Convert to fraction form
    5,253.38/7,243.66 = 3,924.85/x
  3. Step 3: Cross multiply
    5,253.38x = 7,243.66 × 3,924.85
  4. Step 4: Simplify right side
    5,253.38x = 28,430,278.95
  5. Step 5: Solve for x
    x = 28,430,278.95/5,253.38
  6. Step 6: Final answer
    x = 5,411.81

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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.