Home / 8,849.28-13,278.40-6,768

Finding the Fourth Proportional to 8,849.28, 13,278.40 and 6,768

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Solution

The fourth proportional to 8,849.28, 13,278.40 and 6,768 is: 10,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.28 : 13,278.40 = 6,768 : x
  2. Step 2: Convert to fraction form
    8,849.28/13,278.40 = 6,768/x
  3. Step 3: Cross multiply
    8,849.28x = 13,278.40 × 6,768
  4. Step 4: Simplify right side
    8,849.28x = 89,868,211.20
  5. Step 5: Solve for x
    x = 89,868,211.20/8,849.28
  6. Step 6: Final answer
    x = 10,155.43

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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.