Home / 6,899.68-10,353.76-2,738.96

Finding the Fourth Proportional to 6,899.68, 10,353.76 and 2,738.96

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Solution

The fourth proportional to 6,899.68, 10,353.76 and 2,738.96 is: 4,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.68 : 10,353.76 = 2,738.96 : x
  2. Step 2: Convert to fraction form
    6,899.68/10,353.76 = 2,738.96/x
  3. Step 3: Cross multiply
    6,899.68x = 10,353.76 × 2,738.96
  4. Step 4: Simplify right side
    6,899.68x = 28,358,534.49
  5. Step 5: Solve for x
    x = 28,358,534.49/6,899.68
  6. Step 6: Final answer
    x = 4,110.12

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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.