Home / 4,812.20-7,217.56-1,524.86

Finding the Fourth Proportional to 4,812.20, 7,217.56 and 1,524.86

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Solution

The fourth proportional to 4,812.20, 7,217.56 and 1,524.86 is: 2,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.20 : 7,217.56 = 1,524.86 : x
  2. Step 2: Convert to fraction form
    4,812.20/7,217.56 = 1,524.86/x
  3. Step 3: Cross multiply
    4,812.20x = 7,217.56 × 1,524.86
  4. Step 4: Simplify right side
    4,812.20x = 11,005,768.54
  5. Step 5: Solve for x
    x = 11,005,768.54/4,812.20
  6. Step 6: Final answer
    x = 2,287.06

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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.