Home / 7,815.11-11,717.00-3,652.79

Finding the Fourth Proportional to 7,815.11, 11,717.00 and 3,652.79

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Solution

The fourth proportional to 7,815.11, 11,717.00 and 3,652.79 is: 5,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.11 : 11,717.00 = 3,652.79 : x
  2. Step 2: Convert to fraction form
    7,815.11/11,717.00 = 3,652.79/x
  3. Step 3: Cross multiply
    7,815.11x = 11,717.00 × 3,652.79
  4. Step 4: Simplify right side
    7,815.11x = 42,799,722.17
  5. Step 5: Solve for x
    x = 42,799,722.17/7,815.11
  6. Step 6: Final answer
    x = 5,476.53

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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.