Home / 5,494.30-8,240.46-2,720.08

Finding the Fourth Proportional to 5,494.30, 8,240.46 and 2,720.08

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Solution

The fourth proportional to 5,494.30, 8,240.46 and 2,720.08 is: 4,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.30 : 8,240.46 = 2,720.08 : x
  2. Step 2: Convert to fraction form
    5,494.30/8,240.46 = 2,720.08/x
  3. Step 3: Cross multiply
    5,494.30x = 8,240.46 × 2,720.08
  4. Step 4: Simplify right side
    5,494.30x = 22,414,710.44
  5. Step 5: Solve for x
    x = 22,414,710.44/5,494.30
  6. Step 6: Final answer
    x = 4,079.63

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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.