Home / 6,748.13-10,122.80-1,817.66

Finding the Fourth Proportional to 6,748.13, 10,122.80 and 1,817.66

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Solution

The fourth proportional to 6,748.13, 10,122.80 and 1,817.66 is: 2,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.13 : 10,122.80 = 1,817.66 : x
  2. Step 2: Convert to fraction form
    6,748.13/10,122.80 = 1,817.66/x
  3. Step 3: Cross multiply
    6,748.13x = 10,122.80 × 1,817.66
  4. Step 4: Simplify right side
    6,748.13x = 18,399,808.65
  5. Step 5: Solve for x
    x = 18,399,808.65/6,748.13
  6. Step 6: Final answer
    x = 2,726.65

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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.