Home / 8,815.26-12,161.43-5,834.46

Finding the Fourth Proportional to 8,815.26, 12,161.43 and 5,834.46

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Solution

The fourth proportional to 8,815.26, 12,161.43 and 5,834.46 is: 8,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.26 : 12,161.43 = 5,834.46 : x
  2. Step 2: Convert to fraction form
    8,815.26/12,161.43 = 5,834.46/x
  3. Step 3: Cross multiply
    8,815.26x = 12,161.43 × 5,834.46
  4. Step 4: Simplify right side
    8,815.26x = 70,955,376.88
  5. Step 5: Solve for x
    x = 70,955,376.88/8,815.26
  6. Step 6: Final answer
    x = 8,049.15

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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.