Home / 7,209.72-10,810.44-2,822.04

Finding the Fourth Proportional to 7,209.72, 10,810.44 and 2,822.04

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Solution

The fourth proportional to 7,209.72, 10,810.44 and 2,822.04 is: 4,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.72 : 10,810.44 = 2,822.04 : x
  2. Step 2: Convert to fraction form
    7,209.72/10,810.44 = 2,822.04/x
  3. Step 3: Cross multiply
    7,209.72x = 10,810.44 × 2,822.04
  4. Step 4: Simplify right side
    7,209.72x = 30,507,494.10
  5. Step 5: Solve for x
    x = 30,507,494.10/7,209.72
  6. Step 6: Final answer
    x = 4,231.44

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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.