Home / 8,516.88-11,751.50-5,371.24

Finding the Fourth Proportional to 8,516.88, 11,751.50 and 5,371.24

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Solution

The fourth proportional to 8,516.88, 11,751.50 and 5,371.24 is: 7,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.88 : 11,751.50 = 5,371.24 : x
  2. Step 2: Convert to fraction form
    8,516.88/11,751.50 = 5,371.24/x
  3. Step 3: Cross multiply
    8,516.88x = 11,751.50 × 5,371.24
  4. Step 4: Simplify right side
    8,516.88x = 63,120,126.86
  5. Step 5: Solve for x
    x = 63,120,126.86/8,516.88
  6. Step 6: Final answer
    x = 7,411.18

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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.