Home / 5,286.31-7,932.89-2,516.11

Finding the Fourth Proportional to 5,286.31, 7,932.89 and 2,516.11

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Solution

The fourth proportional to 5,286.31, 7,932.89 and 2,516.11 is: 3,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.31 : 7,932.89 = 2,516.11 : x
  2. Step 2: Convert to fraction form
    5,286.31/7,932.89 = 2,516.11/x
  3. Step 3: Cross multiply
    5,286.31x = 7,932.89 × 2,516.11
  4. Step 4: Simplify right side
    5,286.31x = 19,960,040.79
  5. Step 5: Solve for x
    x = 19,960,040.79/5,286.31
  6. Step 6: Final answer
    x = 3,775.80

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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.