Home / 4,705.20-7,049.70-2,480.74

Finding the Fourth Proportional to 4,705.20, 7,049.70 and 2,480.74

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Solution

The fourth proportional to 4,705.20, 7,049.70 and 2,480.74 is: 3,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.20 : 7,049.70 = 2,480.74 : x
  2. Step 2: Convert to fraction form
    4,705.20/7,049.70 = 2,480.74/x
  3. Step 3: Cross multiply
    4,705.20x = 7,049.70 × 2,480.74
  4. Step 4: Simplify right side
    4,705.20x = 17,488,455.15
  5. Step 5: Solve for x
    x = 17,488,455.15/4,705.20
  6. Step 6: Final answer
    x = 3,716.84

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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.