Home / 8,818.29-13,224.78-3,551.61

Finding the Fourth Proportional to 8,818.29, 13,224.78 and 3,551.61

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Solution

The fourth proportional to 8,818.29, 13,224.78 and 3,551.61 is: 5,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.29 : 13,224.78 = 3,551.61 : x
  2. Step 2: Convert to fraction form
    8,818.29/13,224.78 = 3,551.61/x
  3. Step 3: Cross multiply
    8,818.29x = 13,224.78 × 3,551.61
  4. Step 4: Simplify right side
    8,818.29x = 46,969,260.90
  5. Step 5: Solve for x
    x = 46,969,260.90/8,818.29
  6. Step 6: Final answer
    x = 5,326.35

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1.5x scale

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.