Home / 7,841.06-11,763.89-3,158.65

Finding the Fourth Proportional to 7,841.06, 11,763.89 and 3,158.65

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Solution

The fourth proportional to 7,841.06, 11,763.89 and 3,158.65 is: 4,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.06 : 11,763.89 = 3,158.65 : x
  2. Step 2: Convert to fraction form
    7,841.06/11,763.89 = 3,158.65/x
  3. Step 3: Cross multiply
    7,841.06x = 11,763.89 × 3,158.65
  4. Step 4: Simplify right side
    7,841.06x = 37,158,054.99
  5. Step 5: Solve for x
    x = 37,158,054.99/7,841.06
  6. Step 6: Final answer
    x = 4,738.91

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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.