Home / 7,326.45-10,983.20-3,429.81

Finding the Fourth Proportional to 7,326.45, 10,983.20 and 3,429.81

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Solution

The fourth proportional to 7,326.45, 10,983.20 and 3,429.81 is: 5,141.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.45 : 10,983.20 = 3,429.81 : x
  2. Step 2: Convert to fraction form
    7,326.45/10,983.20 = 3,429.81/x
  3. Step 3: Cross multiply
    7,326.45x = 10,983.20 × 3,429.81
  4. Step 4: Simplify right side
    7,326.45x = 37,670,272.04
  5. Step 5: Solve for x
    x = 37,670,272.04/7,326.45
  6. Step 6: Final answer
    x = 5,141.68

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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.