Home / 8,285.62-11,434.05-6,170.61

Finding the Fourth Proportional to 8,285.62, 11,434.05 and 6,170.61

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Solution

The fourth proportional to 8,285.62, 11,434.05 and 6,170.61 is: 8,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.62 : 11,434.05 = 6,170.61 : x
  2. Step 2: Convert to fraction form
    8,285.62/11,434.05 = 6,170.61/x
  3. Step 3: Cross multiply
    8,285.62x = 11,434.05 × 6,170.61
  4. Step 4: Simplify right side
    8,285.62x = 70,555,063.27
  5. Step 5: Solve for x
    x = 70,555,063.27/8,285.62
  6. Step 6: Final answer
    x = 8,515.36

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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.