Home / 8,516.31-11,752.39-4,931.75

Finding the Fourth Proportional to 8,516.31, 11,752.39 and 4,931.75

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Solution

The fourth proportional to 8,516.31, 11,752.39 and 4,931.75 is: 6,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.31 : 11,752.39 = 4,931.75 : x
  2. Step 2: Convert to fraction form
    8,516.31/11,752.39 = 4,931.75/x
  3. Step 3: Cross multiply
    8,516.31x = 11,752.39 × 4,931.75
  4. Step 4: Simplify right side
    8,516.31x = 57,959,884.93
  5. Step 5: Solve for x
    x = 57,959,884.93/8,516.31
  6. Step 6: Final answer
    x = 6,805.75

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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.