Home / 8,921.86-13,382.25-2,348.04

Finding the Fourth Proportional to 8,921.86, 13,382.25 and 2,348.04

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Solution

The fourth proportional to 8,921.86, 13,382.25 and 2,348.04 is: 3,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.86 : 13,382.25 = 2,348.04 : x
  2. Step 2: Convert to fraction form
    8,921.86/13,382.25 = 2,348.04/x
  3. Step 3: Cross multiply
    8,921.86x = 13,382.25 × 2,348.04
  4. Step 4: Simplify right side
    8,921.86x = 31,421,991.38
  5. Step 5: Solve for x
    x = 31,421,991.38/8,921.86
  6. Step 6: Final answer
    x = 3,521.91

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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.