Home / 6,525.11-9,789.19-2,142.30

Finding the Fourth Proportional to 6,525.11, 9,789.19 and 2,142.30

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Solution

The fourth proportional to 6,525.11, 9,789.19 and 2,142.30 is: 3,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.11 : 9,789.19 = 2,142.30 : x
  2. Step 2: Convert to fraction form
    6,525.11/9,789.19 = 2,142.30/x
  3. Step 3: Cross multiply
    6,525.11x = 9,789.19 × 2,142.30
  4. Step 4: Simplify right side
    6,525.11x = 20,971,381.74
  5. Step 5: Solve for x
    x = 20,971,381.74/6,525.11
  6. Step 6: Final answer
    x = 3,213.95

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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.