Home / 8,155.46-11,257.21-7,441.85

Finding the Fourth Proportional to 8,155.46, 11,257.21 and 7,441.85

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Solution

The fourth proportional to 8,155.46, 11,257.21 and 7,441.85 is: 10,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.46 : 11,257.21 = 7,441.85 : x
  2. Step 2: Convert to fraction form
    8,155.46/11,257.21 = 7,441.85/x
  3. Step 3: Cross multiply
    8,155.46x = 11,257.21 × 7,441.85
  4. Step 4: Simplify right side
    8,155.46x = 83,774,505.68
  5. Step 5: Solve for x
    x = 83,774,505.68/8,155.46
  6. Step 6: Final answer
    x = 10,272.20

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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.