Home / 7,882.52-11,827.40-2,952.56

Finding the Fourth Proportional to 7,882.52, 11,827.40 and 2,952.56

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Solution

The fourth proportional to 7,882.52, 11,827.40 and 2,952.56 is: 4,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.52 : 11,827.40 = 2,952.56 : x
  2. Step 2: Convert to fraction form
    7,882.52/11,827.40 = 2,952.56/x
  3. Step 3: Cross multiply
    7,882.52x = 11,827.40 × 2,952.56
  4. Step 4: Simplify right side
    7,882.52x = 34,921,108.14
  5. Step 5: Solve for x
    x = 34,921,108.14/7,882.52
  6. Step 6: Final answer
    x = 4,430.20

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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.