Home / 6,122.28-9,165.60-5,489.04

Finding the Fourth Proportional to 6,122.28, 9,165.60 and 5,489.04

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Solution

The fourth proportional to 6,122.28, 9,165.60 and 5,489.04 is: 8,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.28 : 9,165.60 = 5,489.04 : x
  2. Step 2: Convert to fraction form
    6,122.28/9,165.60 = 5,489.04/x
  3. Step 3: Cross multiply
    6,122.28x = 9,165.60 × 5,489.04
  4. Step 4: Simplify right side
    6,122.28x = 50,310,345.02
  5. Step 5: Solve for x
    x = 50,310,345.02/6,122.28
  6. Step 6: Final answer
    x = 8,217.58

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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.