Home / 8,920.44-13,381.38-2,680.02

Finding the Fourth Proportional to 8,920.44, 13,381.38 and 2,680.02

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Solution

The fourth proportional to 8,920.44, 13,381.38 and 2,680.02 is: 4,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.44 : 13,381.38 = 2,680.02 : x
  2. Step 2: Convert to fraction form
    8,920.44/13,381.38 = 2,680.02/x
  3. Step 3: Cross multiply
    8,920.44x = 13,381.38 × 2,680.02
  4. Step 4: Simplify right side
    8,920.44x = 35,862,366.03
  5. Step 5: Solve for x
    x = 35,862,366.03/8,920.44
  6. Step 6: Final answer
    x = 4,020.25

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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.