Home / 4,651.57-6,977.80-1,531.61

Finding the Fourth Proportional to 4,651.57, 6,977.80 and 1,531.61

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Solution

The fourth proportional to 4,651.57, 6,977.80 and 1,531.61 is: 2,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.57 : 6,977.80 = 1,531.61 : x
  2. Step 2: Convert to fraction form
    4,651.57/6,977.80 = 1,531.61/x
  3. Step 3: Cross multiply
    4,651.57x = 6,977.80 × 1,531.61
  4. Step 4: Simplify right side
    4,651.57x = 10,687,229.54
  5. Step 5: Solve for x
    x = 10,687,229.54/4,651.57
  6. Step 6: Final answer
    x = 2,297.55

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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.