Home / 6,751.88-9,319.70-5,491.96

Finding the Fourth Proportional to 6,751.88, 9,319.70 and 5,491.96

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Solution

The fourth proportional to 6,751.88, 9,319.70 and 5,491.96 is: 7,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.88 : 9,319.70 = 5,491.96 : x
  2. Step 2: Convert to fraction form
    6,751.88/9,319.70 = 5,491.96/x
  3. Step 3: Cross multiply
    6,751.88x = 9,319.70 × 5,491.96
  4. Step 4: Simplify right side
    6,751.88x = 51,183,419.61
  5. Step 5: Solve for x
    x = 51,183,419.61/6,751.88
  6. Step 6: Final answer
    x = 7,580.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.