Home / 8,968.38-13,454.72-2,812.38

Finding the Fourth Proportional to 8,968.38, 13,454.72 and 2,812.38

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Solution

The fourth proportional to 8,968.38, 13,454.72 and 2,812.38 is: 4,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.38 : 13,454.72 = 2,812.38 : x
  2. Step 2: Convert to fraction form
    8,968.38/13,454.72 = 2,812.38/x
  3. Step 3: Cross multiply
    8,968.38x = 13,454.72 × 2,812.38
  4. Step 4: Simplify right side
    8,968.38x = 37,839,785.43
  5. Step 5: Solve for x
    x = 37,839,785.43/8,968.38
  6. Step 6: Final answer
    x = 4,219.24

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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.