Home / 8,919.39-13,370.81-3,293.95

Finding the Fourth Proportional to 8,919.39, 13,370.81 and 3,293.95

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Solution

The fourth proportional to 8,919.39, 13,370.81 and 3,293.95 is: 4,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.39 : 13,370.81 = 3,293.95 : x
  2. Step 2: Convert to fraction form
    8,919.39/13,370.81 = 3,293.95/x
  3. Step 3: Cross multiply
    8,919.39x = 13,370.81 × 3,293.95
  4. Step 4: Simplify right side
    8,919.39x = 44,042,763.13
  5. Step 5: Solve for x
    x = 44,042,763.13/8,919.39
  6. Step 6: Final answer
    x = 4,937.87

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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.