Home / 8,707.38-13,059.72-2,863.95

Finding the Fourth Proportional to 8,707.38, 13,059.72 and 2,863.95

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Solution

The fourth proportional to 8,707.38, 13,059.72 and 2,863.95 is: 4,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.38 : 13,059.72 = 2,863.95 : x
  2. Step 2: Convert to fraction form
    8,707.38/13,059.72 = 2,863.95/x
  3. Step 3: Cross multiply
    8,707.38x = 13,059.72 × 2,863.95
  4. Step 4: Simplify right side
    8,707.38x = 37,402,385.09
  5. Step 5: Solve for x
    x = 37,402,385.09/8,707.38
  6. Step 6: Final answer
    x = 4,295.48

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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.