Home / 6,743.89-10,115.81-1,813.53

Finding the Fourth Proportional to 6,743.89, 10,115.81 and 1,813.53

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Solution

The fourth proportional to 6,743.89, 10,115.81 and 1,813.53 is: 2,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.89 : 10,115.81 = 1,813.53 : x
  2. Step 2: Convert to fraction form
    6,743.89/10,115.81 = 1,813.53/x
  3. Step 3: Cross multiply
    6,743.89x = 10,115.81 × 1,813.53
  4. Step 4: Simplify right side
    6,743.89x = 18,345,291.51
  5. Step 5: Solve for x
    x = 18,345,291.51/6,743.89
  6. Step 6: Final answer
    x = 2,720.28

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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.