Home / 8,621.43-11,891.37-5,082.13

Finding the Fourth Proportional to 8,621.43, 11,891.37 and 5,082.13

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Solution

The fourth proportional to 8,621.43, 11,891.37 and 5,082.13 is: 7,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.43 : 11,891.37 = 5,082.13 : x
  2. Step 2: Convert to fraction form
    8,621.43/11,891.37 = 5,082.13/x
  3. Step 3: Cross multiply
    8,621.43x = 11,891.37 × 5,082.13
  4. Step 4: Simplify right side
    8,621.43x = 60,433,488.22
  5. Step 5: Solve for x
    x = 60,433,488.22/8,621.43
  6. Step 6: Final answer
    x = 7,009.68

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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.