Home / 5,281.32-7,920.97-1,583.55

Finding the Fourth Proportional to 5,281.32, 7,920.97 and 1,583.55

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Solution

The fourth proportional to 5,281.32, 7,920.97 and 1,583.55 is: 2,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.32 : 7,920.97 = 1,583.55 : x
  2. Step 2: Convert to fraction form
    5,281.32/7,920.97 = 1,583.55/x
  3. Step 3: Cross multiply
    5,281.32x = 7,920.97 × 1,583.55
  4. Step 4: Simplify right side
    5,281.32x = 12,543,252.04
  5. Step 5: Solve for x
    x = 12,543,252.04/5,281.32
  6. Step 6: Final answer
    x = 2,375.02

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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.