Home / 7,247.90-10,871.77-2,865.33

Finding the Fourth Proportional to 7,247.90, 10,871.77 and 2,865.33

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Solution

The fourth proportional to 7,247.90, 10,871.77 and 2,865.33 is: 4,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.90 : 10,871.77 = 2,865.33 : x
  2. Step 2: Convert to fraction form
    7,247.90/10,871.77 = 2,865.33/x
  3. Step 3: Cross multiply
    7,247.90x = 10,871.77 × 2,865.33
  4. Step 4: Simplify right side
    7,247.90x = 31,151,208.73
  5. Step 5: Solve for x
    x = 31,151,208.73/7,247.90
  6. Step 6: Final answer
    x = 4,297.96

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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.