Home / 5,512.70-7,607.49-3,154.79

Finding the Fourth Proportional to 5,512.70, 7,607.49 and 3,154.79

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Solution

The fourth proportional to 5,512.70, 7,607.49 and 3,154.79 is: 4,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.70 : 7,607.49 = 3,154.79 : x
  2. Step 2: Convert to fraction form
    5,512.70/7,607.49 = 3,154.79/x
  3. Step 3: Cross multiply
    5,512.70x = 7,607.49 × 3,154.79
  4. Step 4: Simplify right side
    5,512.70x = 24,000,033.38
  5. Step 5: Solve for x
    x = 24,000,033.38/5,512.70
  6. Step 6: Final answer
    x = 4,353.59

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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.