Home / 8,701.38-13,050.72-2,857.95

Finding the Fourth Proportional to 8,701.38, 13,050.72 and 2,857.95

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Solution

The fourth proportional to 8,701.38, 13,050.72 and 2,857.95 is: 4,286.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.38 : 13,050.72 = 2,857.95 : x
  2. Step 2: Convert to fraction form
    8,701.38/13,050.72 = 2,857.95/x
  3. Step 3: Cross multiply
    8,701.38x = 13,050.72 × 2,857.95
  4. Step 4: Simplify right side
    8,701.38x = 37,298,305.22
  5. Step 5: Solve for x
    x = 37,298,305.22/8,701.38
  6. Step 6: Final answer
    x = 4,286.48

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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.