Home / 6,744.12-10,116.80-1,813.65

Finding the Fourth Proportional to 6,744.12, 10,116.80 and 1,813.65

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Solution

The fourth proportional to 6,744.12, 10,116.80 and 1,813.65 is: 2,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.12 : 10,116.80 = 1,813.65 : x
  2. Step 2: Convert to fraction form
    6,744.12/10,116.80 = 1,813.65/x
  3. Step 3: Cross multiply
    6,744.12x = 10,116.80 × 1,813.65
  4. Step 4: Simplify right side
    6,744.12x = 18,348,325.25
  5. Step 5: Solve for x
    x = 18,348,325.25/6,744.12
  6. Step 6: Final answer
    x = 2,720.64

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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.