Home / 9,028.28-13,543.54-3,183.72

Finding the Fourth Proportional to 9,028.28, 13,543.54 and 3,183.72

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Solution

The fourth proportional to 9,028.28, 13,543.54 and 3,183.72 is: 4,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.28 : 13,543.54 = 3,183.72 : x
  2. Step 2: Convert to fraction form
    9,028.28/13,543.54 = 3,183.72/x
  3. Step 3: Cross multiply
    9,028.28x = 13,543.54 × 3,183.72
  4. Step 4: Simplify right side
    9,028.28x = 43,118,839.17
  5. Step 5: Solve for x
    x = 43,118,839.17/9,028.28
  6. Step 6: Final answer
    x = 4,775.97

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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.