Home / 8,182.05-11,296.79-6,290.29

Finding the Fourth Proportional to 8,182.05, 11,296.79 and 6,290.29

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Solution

The fourth proportional to 8,182.05, 11,296.79 and 6,290.29 is: 8,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.05 : 11,296.79 = 6,290.29 : x
  2. Step 2: Convert to fraction form
    8,182.05/11,296.79 = 6,290.29/x
  3. Step 3: Cross multiply
    8,182.05x = 11,296.79 × 6,290.29
  4. Step 4: Simplify right side
    8,182.05x = 71,060,085.17
  5. Step 5: Solve for x
    x = 71,060,085.17/8,182.05
  6. Step 6: Final answer
    x = 8,684.88

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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.