Home / 6,742.98-10,115.19-1,813.14

Finding the Fourth Proportional to 6,742.98, 10,115.19 and 1,813.14

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Solution

The fourth proportional to 6,742.98, 10,115.19 and 1,813.14 is: 2,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.98 : 10,115.19 = 1,813.14 : x
  2. Step 2: Convert to fraction form
    6,742.98/10,115.19 = 1,813.14/x
  3. Step 3: Cross multiply
    6,742.98x = 10,115.19 × 1,813.14
  4. Step 4: Simplify right side
    6,742.98x = 18,340,255.60
  5. Step 5: Solve for x
    x = 18,340,255.60/6,742.98
  6. Step 6: Final answer
    x = 2,719.90

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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.