Home / 7,822.49-11,739.20-3,443.01

Finding the Fourth Proportional to 7,822.49, 11,739.20 and 3,443.01

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Solution

The fourth proportional to 7,822.49, 11,739.20 and 3,443.01 is: 5,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.49 : 11,739.20 = 3,443.01 : x
  2. Step 2: Convert to fraction form
    7,822.49/11,739.20 = 3,443.01/x
  3. Step 3: Cross multiply
    7,822.49x = 11,739.20 × 3,443.01
  4. Step 4: Simplify right side
    7,822.49x = 40,418,165.78
  5. Step 5: Solve for x
    x = 40,418,165.78/7,822.49
  6. Step 6: Final answer
    x = 5,166.92

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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.