Home / 5,173.69-7,761.45-1,967.89

Finding the Fourth Proportional to 5,173.69, 7,761.45 and 1,967.89

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Solution

The fourth proportional to 5,173.69, 7,761.45 and 1,967.89 is: 2,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.69 : 7,761.45 = 1,967.89 : x
  2. Step 2: Convert to fraction form
    5,173.69/7,761.45 = 1,967.89/x
  3. Step 3: Cross multiply
    5,173.69x = 7,761.45 × 1,967.89
  4. Step 4: Simplify right side
    5,173.69x = 15,273,679.84
  5. Step 5: Solve for x
    x = 15,273,679.84/5,173.69
  6. Step 6: Final answer
    x = 2,952.18

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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.