Home / 8,015.75-11,061.52-4,478.88

Finding the Fourth Proportional to 8,015.75, 11,061.52 and 4,478.88

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Solution

The fourth proportional to 8,015.75, 11,061.52 and 4,478.88 is: 6,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.75 : 11,061.52 = 4,478.88 : x
  2. Step 2: Convert to fraction form
    8,015.75/11,061.52 = 4,478.88/x
  3. Step 3: Cross multiply
    8,015.75x = 11,061.52 × 4,478.88
  4. Step 4: Simplify right side
    8,015.75x = 49,543,220.70
  5. Step 5: Solve for x
    x = 49,543,220.70/8,015.75
  6. Step 6: Final answer
    x = 6,180.73

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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.