Home / 7,062.30-10,589.40-2,131.20

Finding the Fourth Proportional to 7,062.30, 10,589.40 and 2,131.20

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Solution

The fourth proportional to 7,062.30, 10,589.40 and 2,131.20 is: 3,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.30 : 10,589.40 = 2,131.20 : x
  2. Step 2: Convert to fraction form
    7,062.30/10,589.40 = 2,131.20/x
  3. Step 3: Cross multiply
    7,062.30x = 10,589.40 × 2,131.20
  4. Step 4: Simplify right side
    7,062.30x = 22,568,129.28
  5. Step 5: Solve for x
    x = 22,568,129.28/7,062.30
  6. Step 6: Final answer
    x = 3,195.58

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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.