Home / 9,141.28-13,710.85-2,568.03

Finding the Fourth Proportional to 9,141.28, 13,710.85 and 2,568.03

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Solution

The fourth proportional to 9,141.28, 13,710.85 and 2,568.03 is: 3,851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,141.28 : 13,710.85 = 2,568.03 : x
  2. Step 2: Convert to fraction form
    9,141.28/13,710.85 = 2,568.03/x
  3. Step 3: Cross multiply
    9,141.28x = 13,710.85 × 2,568.03
  4. Step 4: Simplify right side
    9,141.28x = 35,209,874.13
  5. Step 5: Solve for x
    x = 35,209,874.13/9,141.28
  6. Step 6: Final answer
    x = 3,851.74

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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.