Home / 6,743.51-10,115.25-1,813.15

Finding the Fourth Proportional to 6,743.51, 10,115.25 and 1,813.15

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Solution

The fourth proportional to 6,743.51, 10,115.25 and 1,813.15 is: 2,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.51 : 10,115.25 = 1,813.15 : x
  2. Step 2: Convert to fraction form
    6,743.51/10,115.25 = 1,813.15/x
  3. Step 3: Cross multiply
    6,743.51x = 10,115.25 × 1,813.15
  4. Step 4: Simplify right side
    6,743.51x = 18,340,481.58
  5. Step 5: Solve for x
    x = 18,340,481.58/6,743.51
  6. Step 6: Final answer
    x = 2,719.72

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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.