Home / 6,744.78-10,111.89-4,279.14

Finding the Fourth Proportional to 6,744.78, 10,111.89 and 4,279.14

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Solution

The fourth proportional to 6,744.78, 10,111.89 and 4,279.14 is: 6,415.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.78 : 10,111.89 = 4,279.14 : x
  2. Step 2: Convert to fraction form
    6,744.78/10,111.89 = 4,279.14/x
  3. Step 3: Cross multiply
    6,744.78x = 10,111.89 × 4,279.14
  4. Step 4: Simplify right side
    6,744.78x = 43,270,192.97
  5. Step 5: Solve for x
    x = 43,270,192.97/6,744.78
  6. Step 6: Final answer
    x = 6,415.36

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1.5x scale

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.