Home / 6,869.99-10,306.19-2,191.02

Finding the Fourth Proportional to 6,869.99, 10,306.19 and 2,191.02

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Solution

The fourth proportional to 6,869.99, 10,306.19 and 2,191.02 is: 3,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.99 : 10,306.19 = 2,191.02 : x
  2. Step 2: Convert to fraction form
    6,869.99/10,306.19 = 2,191.02/x
  3. Step 3: Cross multiply
    6,869.99x = 10,306.19 × 2,191.02
  4. Step 4: Simplify right side
    6,869.99x = 22,581,073.89
  5. Step 5: Solve for x
    x = 22,581,073.89/6,869.99
  6. Step 6: Final answer
    x = 3,286.92

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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.