Home / 5,202.18-7,171.80-3,520.92

Finding the Fourth Proportional to 5,202.18, 7,171.80 and 3,520.92

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Solution

The fourth proportional to 5,202.18, 7,171.80 and 3,520.92 is: 4,853.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202.18 : 7,171.80 = 3,520.92 : x
  2. Step 2: Convert to fraction form
    5,202.18/7,171.80 = 3,520.92/x
  3. Step 3: Cross multiply
    5,202.18x = 7,171.80 × 3,520.92
  4. Step 4: Simplify right side
    5,202.18x = 25,251,334.06
  5. Step 5: Solve for x
    x = 25,251,334.06/5,202.18
  6. Step 6: Final answer
    x = 4,853.99

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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.