Home / 5,512.92-7,605.24-3,153.72

Finding the Fourth Proportional to 5,512.92, 7,605.24 and 3,153.72

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Solution

The fourth proportional to 5,512.92, 7,605.24 and 3,153.72 is: 4,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.92 : 7,605.24 = 3,153.72 : x
  2. Step 2: Convert to fraction form
    5,512.92/7,605.24 = 3,153.72/x
  3. Step 3: Cross multiply
    5,512.92x = 7,605.24 × 3,153.72
  4. Step 4: Simplify right side
    5,512.92x = 23,984,797.49
  5. Step 5: Solve for x
    x = 23,984,797.49/5,512.92
  6. Step 6: Final answer
    x = 4,350.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.