Home / 5,142.61-7,096.94-3,154.26

Finding the Fourth Proportional to 5,142.61, 7,096.94 and 3,154.26

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Solution

The fourth proportional to 5,142.61, 7,096.94 and 3,154.26 is: 4,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.61 : 7,096.94 = 3,154.26 : x
  2. Step 2: Convert to fraction form
    5,142.61/7,096.94 = 3,154.26/x
  3. Step 3: Cross multiply
    5,142.61x = 7,096.94 × 3,154.26
  4. Step 4: Simplify right side
    5,142.61x = 22,385,593.96
  5. Step 5: Solve for x
    x = 22,385,593.96/5,142.61
  6. Step 6: Final answer
    x = 4,352.96

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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.