Home / 4,851.60-7,278.20-2,662.16

Finding the Fourth Proportional to 4,851.60, 7,278.20 and 2,662.16

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Solution

The fourth proportional to 4,851.60, 7,278.20 and 2,662.16 is: 3,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.60 : 7,278.20 = 2,662.16 : x
  2. Step 2: Convert to fraction form
    4,851.60/7,278.20 = 2,662.16/x
  3. Step 3: Cross multiply
    4,851.60x = 7,278.20 × 2,662.16
  4. Step 4: Simplify right side
    4,851.60x = 19,375,732.91
  5. Step 5: Solve for x
    x = 19,375,732.91/4,851.60
  6. Step 6: Final answer
    x = 3,993.68

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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.