Home / 9,278.34-13,919.91-3,731.88

Finding the Fourth Proportional to 9,278.34, 13,919.91 and 3,731.88

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Solution

The fourth proportional to 9,278.34, 13,919.91 and 3,731.88 is: 5,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.34 : 13,919.91 = 3,731.88 : x
  2. Step 2: Convert to fraction form
    9,278.34/13,919.91 = 3,731.88/x
  3. Step 3: Cross multiply
    9,278.34x = 13,919.91 × 3,731.88
  4. Step 4: Simplify right side
    9,278.34x = 51,947,433.73
  5. Step 5: Solve for x
    x = 51,947,433.73/9,278.34
  6. Step 6: Final answer
    x = 5,598.79

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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.