Home / 7,441.77-11,165.56-3,278.85

Finding the Fourth Proportional to 7,441.77, 11,165.56 and 3,278.85

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Solution

The fourth proportional to 7,441.77, 11,165.56 and 3,278.85 is: 4,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.77 : 11,165.56 = 3,278.85 : x
  2. Step 2: Convert to fraction form
    7,441.77/11,165.56 = 3,278.85/x
  3. Step 3: Cross multiply
    7,441.77x = 11,165.56 × 3,278.85
  4. Step 4: Simplify right side
    7,441.77x = 36,610,196.41
  5. Step 5: Solve for x
    x = 36,610,196.41/7,441.77
  6. Step 6: Final answer
    x = 4,919.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.