Home / 5,331.78-7,997.94-1,436.22

Finding the Fourth Proportional to 5,331.78, 7,997.94 and 1,436.22

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Solution

The fourth proportional to 5,331.78, 7,997.94 and 1,436.22 is: 2,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.78 : 7,997.94 = 1,436.22 : x
  2. Step 2: Convert to fraction form
    5,331.78/7,997.94 = 1,436.22/x
  3. Step 3: Cross multiply
    5,331.78x = 7,997.94 × 1,436.22
  4. Step 4: Simplify right side
    5,331.78x = 11,486,801.39
  5. Step 5: Solve for x
    x = 11,486,801.39/5,331.78
  6. Step 6: Final answer
    x = 2,154.40

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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.