Home / 6,742.23-10,114.43-1,998.87

Finding the Fourth Proportional to 6,742.23, 10,114.43 and 1,998.87

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Solution

The fourth proportional to 6,742.23, 10,114.43 and 1,998.87 is: 2,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.23 : 10,114.43 = 1,998.87 : x
  2. Step 2: Convert to fraction form
    6,742.23/10,114.43 = 1,998.87/x
  3. Step 3: Cross multiply
    6,742.23x = 10,114.43 × 1,998.87
  4. Step 4: Simplify right side
    6,742.23x = 20,217,420.70
  5. Step 5: Solve for x
    x = 20,217,420.70/6,742.23
  6. Step 6: Final answer
    x = 2,998.63

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Double scale
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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.