Home / 7,821.32-11,733.12-2,273.92

Finding the Fourth Proportional to 7,821.32, 11,733.12 and 2,273.92

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Solution

The fourth proportional to 7,821.32, 11,733.12 and 2,273.92 is: 3,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.32 : 11,733.12 = 2,273.92 : x
  2. Step 2: Convert to fraction form
    7,821.32/11,733.12 = 2,273.92/x
  3. Step 3: Cross multiply
    7,821.32x = 11,733.12 × 2,273.92
  4. Step 4: Simplify right side
    7,821.32x = 26,680,146.90
  5. Step 5: Solve for x
    x = 26,680,146.90/7,821.32
  6. Step 6: Final answer
    x = 3,411.21

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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.