Home / 4,739.90-6,540.78-2,851.04

Finding the Fourth Proportional to 4,739.90, 6,540.78 and 2,851.04

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Solution

The fourth proportional to 4,739.90, 6,540.78 and 2,851.04 is: 3,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.90 : 6,540.78 = 2,851.04 : x
  2. Step 2: Convert to fraction form
    4,739.90/6,540.78 = 2,851.04/x
  3. Step 3: Cross multiply
    4,739.90x = 6,540.78 × 2,851.04
  4. Step 4: Simplify right side
    4,739.90x = 18,648,052.45
  5. Step 5: Solve for x
    x = 18,648,052.45/4,739.90
  6. Step 6: Final answer
    x = 3,934.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.