Home / 8,310.26-11,470.20-6,418.95

Finding the Fourth Proportional to 8,310.26, 11,470.20 and 6,418.95

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Solution

The fourth proportional to 8,310.26, 11,470.20 and 6,418.95 is: 8,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.26 : 11,470.20 = 6,418.95 : x
  2. Step 2: Convert to fraction form
    8,310.26/11,470.20 = 6,418.95/x
  3. Step 3: Cross multiply
    8,310.26x = 11,470.20 × 6,418.95
  4. Step 4: Simplify right side
    8,310.26x = 73,626,640.29
  5. Step 5: Solve for x
    x = 73,626,640.29/8,310.26
  6. Step 6: Final answer
    x = 8,859.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.