Home / 7,826.38-11,735.32-3,605.08

Finding the Fourth Proportional to 7,826.38, 11,735.32 and 3,605.08

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Solution

The fourth proportional to 7,826.38, 11,735.32 and 3,605.08 is: 5,405.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.38 : 11,735.32 = 3,605.08 : x
  2. Step 2: Convert to fraction form
    7,826.38/11,735.32 = 3,605.08/x
  3. Step 3: Cross multiply
    7,826.38x = 11,735.32 × 3,605.08
  4. Step 4: Simplify right side
    7,826.38x = 42,306,767.43
  5. Step 5: Solve for x
    x = 42,306,767.43/7,826.38
  6. Step 6: Final answer
    x = 5,405.66

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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.