Home / 4,278.50-6,417.68-3,546.53

Finding the Fourth Proportional to 4,278.50, 6,417.68 and 3,546.53

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Solution

The fourth proportional to 4,278.50, 6,417.68 and 3,546.53 is: 5,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.50 : 6,417.68 = 3,546.53 : x
  2. Step 2: Convert to fraction form
    4,278.50/6,417.68 = 3,546.53/x
  3. Step 3: Cross multiply
    4,278.50x = 6,417.68 × 3,546.53
  4. Step 4: Simplify right side
    4,278.50x = 22,760,494.65
  5. Step 5: Solve for x
    x = 22,760,494.65/4,278.50
  6. Step 6: Final answer
    x = 5,319.74

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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.