Home / 7,948.07-11,922.09-2,753.95

Finding the Fourth Proportional to 7,948.07, 11,922.09 and 2,753.95

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Solution

The fourth proportional to 7,948.07, 11,922.09 and 2,753.95 is: 4,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.07 : 11,922.09 = 2,753.95 : x
  2. Step 2: Convert to fraction form
    7,948.07/11,922.09 = 2,753.95/x
  3. Step 3: Cross multiply
    7,948.07x = 11,922.09 × 2,753.95
  4. Step 4: Simplify right side
    7,948.07x = 32,832,839.76
  5. Step 5: Solve for x
    x = 32,832,839.76/7,948.07
  6. Step 6: Final answer
    x = 4,130.92

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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.