Home / 5,243.29-7,868.87-3,271.80

Finding the Fourth Proportional to 5,243.29, 7,868.87 and 3,271.80

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Solution

The fourth proportional to 5,243.29, 7,868.87 and 3,271.80 is: 4,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.29 : 7,868.87 = 3,271.80 : x
  2. Step 2: Convert to fraction form
    5,243.29/7,868.87 = 3,271.80/x
  3. Step 3: Cross multiply
    5,243.29x = 7,868.87 × 3,271.80
  4. Step 4: Simplify right side
    5,243.29x = 25,745,352.51
  5. Step 5: Solve for x
    x = 25,745,352.51/5,243.29
  6. Step 6: Final answer
    x = 4,910.15

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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.