Home / 6,749.55-10,125.99-3,409.56

Finding the Fourth Proportional to 6,749.55, 10,125.99 and 3,409.56

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Solution

The fourth proportional to 6,749.55, 10,125.99 and 3,409.56 is: 5,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.55 : 10,125.99 = 3,409.56 : x
  2. Step 2: Convert to fraction form
    6,749.55/10,125.99 = 3,409.56/x
  3. Step 3: Cross multiply
    6,749.55x = 10,125.99 × 3,409.56
  4. Step 4: Simplify right side
    6,749.55x = 34,525,170.46
  5. Step 5: Solve for x
    x = 34,525,170.46/6,749.55
  6. Step 6: Final answer
    x = 5,115.18

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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.