Home / 8,921.53-13,382.45-3,377.49

Finding the Fourth Proportional to 8,921.53, 13,382.45 and 3,377.49

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Solution

The fourth proportional to 8,921.53, 13,382.45 and 3,377.49 is: 5,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921.53 : 13,382.45 = 3,377.49 : x
  2. Step 2: Convert to fraction form
    8,921.53/13,382.45 = 3,377.49/x
  3. Step 3: Cross multiply
    8,921.53x = 13,382.45 × 3,377.49
  4. Step 4: Simplify right side
    8,921.53x = 45,199,091.05
  5. Step 5: Solve for x
    x = 45,199,091.05/8,921.53
  6. Step 6: Final answer
    x = 5,066.29

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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.