Home / 7,927.47-11,891.88-2,084.13

Finding the Fourth Proportional to 7,927.47, 11,891.88 and 2,084.13

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Solution

The fourth proportional to 7,927.47, 11,891.88 and 2,084.13 is: 3,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.47 : 11,891.88 = 2,084.13 : x
  2. Step 2: Convert to fraction form
    7,927.47/11,891.88 = 2,084.13/x
  3. Step 3: Cross multiply
    7,927.47x = 11,891.88 × 2,084.13
  4. Step 4: Simplify right side
    7,927.47x = 24,784,223.86
  5. Step 5: Solve for x
    x = 24,784,223.86/7,927.47
  6. Step 6: Final answer
    x = 3,126.37

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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.