Home / 7,552.50-11,331.16-3,168.78

Finding the Fourth Proportional to 7,552.50, 11,331.16 and 3,168.78

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Solution

The fourth proportional to 7,552.50, 11,331.16 and 3,168.78 is: 4,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.50 : 11,331.16 = 3,168.78 : x
  2. Step 2: Convert to fraction form
    7,552.50/11,331.16 = 3,168.78/x
  3. Step 3: Cross multiply
    7,552.50x = 11,331.16 × 3,168.78
  4. Step 4: Simplify right side
    7,552.50x = 35,905,945.26
  5. Step 5: Solve for x
    x = 35,905,945.26/7,552.50
  6. Step 6: Final answer
    x = 4,754.18

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1.5x scale

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.