Home / 5,512.45-7,607.91-3,154.15

Finding the Fourth Proportional to 5,512.45, 7,607.91 and 3,154.15

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Solution

The fourth proportional to 5,512.45, 7,607.91 and 3,154.15 is: 4,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.45 : 7,607.91 = 3,154.15 : x
  2. Step 2: Convert to fraction form
    5,512.45/7,607.91 = 3,154.15/x
  3. Step 3: Cross multiply
    5,512.45x = 7,607.91 × 3,154.15
  4. Step 4: Simplify right side
    5,512.45x = 23,996,489.33
  5. Step 5: Solve for x
    x = 23,996,489.33/5,512.45
  6. Step 6: Final answer
    x = 4,353.14

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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.