Home / 6,749.28-10,141.92-3,631.68

Finding the Fourth Proportional to 6,749.28, 10,141.92 and 3,631.68

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Solution

The fourth proportional to 6,749.28, 10,141.92 and 3,631.68 is: 5,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.28 : 10,141.92 = 3,631.68 : x
  2. Step 2: Convert to fraction form
    6,749.28/10,141.92 = 3,631.68/x
  3. Step 3: Cross multiply
    6,749.28x = 10,141.92 × 3,631.68
  4. Step 4: Simplify right side
    6,749.28x = 36,832,208.03
  5. Step 5: Solve for x
    x = 36,832,208.03/6,749.28
  6. Step 6: Final answer
    x = 5,457.21

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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.