Home / 5,142.19-7,096.35-3,153.84

Finding the Fourth Proportional to 5,142.19, 7,096.35 and 3,153.84

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Solution

The fourth proportional to 5,142.19, 7,096.35 and 3,153.84 is: 4,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.19 : 7,096.35 = 3,153.84 : x
  2. Step 2: Convert to fraction form
    5,142.19/7,096.35 = 3,153.84/x
  3. Step 3: Cross multiply
    5,142.19x = 7,096.35 × 3,153.84
  4. Step 4: Simplify right side
    5,142.19x = 22,380,768.75
  5. Step 5: Solve for x
    x = 22,380,768.75/5,142.19
  6. Step 6: Final answer
    x = 4,352.38

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Half scale
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Double scale
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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.