Home / 6,938.38-10,407.48-1,744.30

Finding the Fourth Proportional to 6,938.38, 10,407.48 and 1,744.30

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Solution

The fourth proportional to 6,938.38, 10,407.48 and 1,744.30 is: 2,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.38 : 10,407.48 = 1,744.30 : x
  2. Step 2: Convert to fraction form
    6,938.38/10,407.48 = 1,744.30/x
  3. Step 3: Cross multiply
    6,938.38x = 10,407.48 × 1,744.30
  4. Step 4: Simplify right side
    6,938.38x = 18,153,767.36
  5. Step 5: Solve for x
    x = 18,153,767.36/6,938.38
  6. Step 6: Final answer
    x = 2,616.43

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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.