Home / 5,142.40-7,096.05-3,152.56

Finding the Fourth Proportional to 5,142.40, 7,096.05 and 3,152.56

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Solution

The fourth proportional to 5,142.40, 7,096.05 and 3,152.56 is: 4,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.40 : 7,096.05 = 3,152.56 : x
  2. Step 2: Convert to fraction form
    5,142.40/7,096.05 = 3,152.56/x
  3. Step 3: Cross multiply
    5,142.40x = 7,096.05 × 3,152.56
  4. Step 4: Simplify right side
    5,142.40x = 22,370,723.39
  5. Step 5: Solve for x
    x = 22,370,723.39/5,142.40
  6. Step 6: Final answer
    x = 4,350.25

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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.