Home / 6,743.53-10,115.28-1,813.18

Finding the Fourth Proportional to 6,743.53, 10,115.28 and 1,813.18

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Solution

The fourth proportional to 6,743.53, 10,115.28 and 1,813.18 is: 2,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.53 : 10,115.28 = 1,813.18 : x
  2. Step 2: Convert to fraction form
    6,743.53/10,115.28 = 1,813.18/x
  3. Step 3: Cross multiply
    6,743.53x = 10,115.28 × 1,813.18
  4. Step 4: Simplify right side
    6,743.53x = 18,340,815.69
  5. Step 5: Solve for x
    x = 18,340,815.69/6,743.53
  6. Step 6: Final answer
    x = 2,719.76

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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.