Home / 5,516.24-8,278.48-3,439.36

Finding the Fourth Proportional to 5,516.24, 8,278.48 and 3,439.36

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Solution

The fourth proportional to 5,516.24, 8,278.48 and 3,439.36 is: 5,161.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.24 : 8,278.48 = 3,439.36 : x
  2. Step 2: Convert to fraction form
    5,516.24/8,278.48 = 3,439.36/x
  3. Step 3: Cross multiply
    5,516.24x = 8,278.48 × 3,439.36
  4. Step 4: Simplify right side
    5,516.24x = 28,472,672.97
  5. Step 5: Solve for x
    x = 28,472,672.97/5,516.24
  6. Step 6: Final answer
    x = 5,161.61

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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.