Home / 8,785.67-13,179.71-2,943.95

Finding the Fourth Proportional to 8,785.67, 13,179.71 and 2,943.95

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Solution

The fourth proportional to 8,785.67, 13,179.71 and 2,943.95 is: 4,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.67 : 13,179.71 = 2,943.95 : x
  2. Step 2: Convert to fraction form
    8,785.67/13,179.71 = 2,943.95/x
  3. Step 3: Cross multiply
    8,785.67x = 13,179.71 × 2,943.95
  4. Step 4: Simplify right side
    8,785.67x = 38,800,348.72
  5. Step 5: Solve for x
    x = 38,800,348.72/8,785.67
  6. Step 6: Final answer
    x = 4,416.32

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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.