Home / 7,178.29-10,766.52-3,229.88

Finding the Fourth Proportional to 7,178.29, 10,766.52 and 3,229.88

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Solution

The fourth proportional to 7,178.29, 10,766.52 and 3,229.88 is: 4,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178.29 : 10,766.52 = 3,229.88 : x
  2. Step 2: Convert to fraction form
    7,178.29/10,766.52 = 3,229.88/x
  3. Step 3: Cross multiply
    7,178.29x = 10,766.52 × 3,229.88
  4. Step 4: Simplify right side
    7,178.29x = 34,774,513.79
  5. Step 5: Solve for x
    x = 34,774,513.79/7,178.29
  6. Step 6: Final answer
    x = 4,844.40

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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.