Home / 4,770.14-7,155.20-2,171.25

Finding the Fourth Proportional to 4,770.14, 7,155.20 and 2,171.25

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Solution

The fourth proportional to 4,770.14, 7,155.20 and 2,171.25 is: 3,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.14 : 7,155.20 = 2,171.25 : x
  2. Step 2: Convert to fraction form
    4,770.14/7,155.20 = 2,171.25/x
  3. Step 3: Cross multiply
    4,770.14x = 7,155.20 × 2,171.25
  4. Step 4: Simplify right side
    4,770.14x = 15,535,733.43
  5. Step 5: Solve for x
    x = 15,535,733.43/4,770.14
  6. Step 6: Final answer
    x = 3,256.88

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Similar ratio
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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.