Home / 6,982.20-10,474.92-6,211.08

Finding the Fourth Proportional to 6,982.20, 10,474.92 and 6,211.08

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Solution

The fourth proportional to 6,982.20, 10,474.92 and 6,211.08 is: 9,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.20 : 10,474.92 = 6,211.08 : x
  2. Step 2: Convert to fraction form
    6,982.20/10,474.92 = 6,211.08/x
  3. Step 3: Cross multiply
    6,982.20x = 10,474.92 × 6,211.08
  4. Step 4: Simplify right side
    6,982.20x = 65,060,566.11
  5. Step 5: Solve for x
    x = 65,060,566.11/6,982.20
  6. Step 6: Final answer
    x = 9,318.06

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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.