Home / 8,689.08-13,034.82-2,843.76

Finding the Fourth Proportional to 8,689.08, 13,034.82 and 2,843.76

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Solution

The fourth proportional to 8,689.08, 13,034.82 and 2,843.76 is: 4,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.08 : 13,034.82 = 2,843.76 : x
  2. Step 2: Convert to fraction form
    8,689.08/13,034.82 = 2,843.76/x
  3. Step 3: Cross multiply
    8,689.08x = 13,034.82 × 2,843.76
  4. Step 4: Simplify right side
    8,689.08x = 37,067,899.72
  5. Step 5: Solve for x
    x = 37,067,899.72/8,689.08
  6. Step 6: Final answer
    x = 4,266.03

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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.