Home / 6,140.28-9,209.46-2,243.76

Finding the Fourth Proportional to 6,140.28, 9,209.46 and 2,243.76

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Solution

The fourth proportional to 6,140.28, 9,209.46 and 2,243.76 is: 3,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.28 : 9,209.46 = 2,243.76 : x
  2. Step 2: Convert to fraction form
    6,140.28/9,209.46 = 2,243.76/x
  3. Step 3: Cross multiply
    6,140.28x = 9,209.46 × 2,243.76
  4. Step 4: Simplify right side
    6,140.28x = 20,663,817.97
  5. Step 5: Solve for x
    x = 20,663,817.97/6,140.28
  6. Step 6: Final answer
    x = 3,365.29

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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.