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Finding the Fourth Proportional to 4,441.58, 6,659.62 and 1,520.11

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Solution

The fourth proportional to 4,441.58, 6,659.62 and 1,520.11 is: 2,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.58 : 6,659.62 = 1,520.11 : x
  2. Step 2: Convert to fraction form
    4,441.58/6,659.62 = 1,520.11/x
  3. Step 3: Cross multiply
    4,441.58x = 6,659.62 × 1,520.11
  4. Step 4: Simplify right side
    4,441.58x = 10,123,314.06
  5. Step 5: Solve for x
    x = 10,123,314.06/4,441.58
  6. Step 6: Final answer
    x = 2,279.22

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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.