Home / 4,648.92-6,976.08-1,531.20

Finding the Fourth Proportional to 4,648.92, 6,976.08 and 1,531.20

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Solution

The fourth proportional to 4,648.92, 6,976.08 and 1,531.20 is: 2,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.92 : 6,976.08 = 1,531.20 : x
  2. Step 2: Convert to fraction form
    4,648.92/6,976.08 = 1,531.20/x
  3. Step 3: Cross multiply
    4,648.92x = 6,976.08 × 1,531.20
  4. Step 4: Simplify right side
    4,648.92x = 10,681,773.70
  5. Step 5: Solve for x
    x = 10,681,773.70/4,648.92
  6. Step 6: Final answer
    x = 2,297.69

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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.