Home / 8,182.09-11,290.97-5,000.71

Finding the Fourth Proportional to 8,182.09, 11,290.97 and 5,000.71

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Solution

The fourth proportional to 8,182.09, 11,290.97 and 5,000.71 is: 6,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,182.09 : 11,290.97 = 5,000.71 : x
  2. Step 2: Convert to fraction form
    8,182.09/11,290.97 = 5,000.71/x
  3. Step 3: Cross multiply
    8,182.09x = 11,290.97 × 5,000.71
  4. Step 4: Simplify right side
    8,182.09x = 56,462,810.13
  5. Step 5: Solve for x
    x = 56,462,810.13/8,182.09
  6. Step 6: Final answer
    x = 6,900.78

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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.