Home / 8,311.18-11,471.39-4,776.44

Finding the Fourth Proportional to 8,311.18, 11,471.39 and 4,776.44

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Solution

The fourth proportional to 8,311.18, 11,471.39 and 4,776.44 is: 6,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.18 : 11,471.39 = 4,776.44 : x
  2. Step 2: Convert to fraction form
    8,311.18/11,471.39 = 4,776.44/x
  3. Step 3: Cross multiply
    8,311.18x = 11,471.39 × 4,776.44
  4. Step 4: Simplify right side
    8,311.18x = 54,792,348.69
  5. Step 5: Solve for x
    x = 54,792,348.69/8,311.18
  6. Step 6: Final answer
    x = 6,592.61

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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.