Home / 8,167.68-11,259.31-6,373.12

Finding the Fourth Proportional to 8,167.68, 11,259.31 and 6,373.12

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Solution

The fourth proportional to 8,167.68, 11,259.31 and 6,373.12 is: 8,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.68 : 11,259.31 = 6,373.12 : x
  2. Step 2: Convert to fraction form
    8,167.68/11,259.31 = 6,373.12/x
  3. Step 3: Cross multiply
    8,167.68x = 11,259.31 × 6,373.12
  4. Step 4: Simplify right side
    8,167.68x = 71,756,933.75
  5. Step 5: Solve for x
    x = 71,756,933.75/8,167.68
  6. Step 6: Final answer
    x = 8,785.47

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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.