Home / 4,884.60-7,324.74-1,422.12

Finding the Fourth Proportional to 4,884.60, 7,324.74 and 1,422.12

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Solution

The fourth proportional to 4,884.60, 7,324.74 and 1,422.12 is: 2,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,884.60 : 7,324.74 = 1,422.12 : x
  2. Step 2: Convert to fraction form
    4,884.60/7,324.74 = 1,422.12/x
  3. Step 3: Cross multiply
    4,884.60x = 7,324.74 × 1,422.12
  4. Step 4: Simplify right side
    4,884.60x = 10,416,659.25
  5. Step 5: Solve for x
    x = 10,416,659.25/4,884.60
  6. Step 6: Final answer
    x = 2,132.55

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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.