Home / 6,126.78-9,185.96-2,230.68

Finding the Fourth Proportional to 6,126.78, 9,185.96 and 2,230.68

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Solution

The fourth proportional to 6,126.78, 9,185.96 and 2,230.68 is: 3,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.78 : 9,185.96 = 2,230.68 : x
  2. Step 2: Convert to fraction form
    6,126.78/9,185.96 = 2,230.68/x
  3. Step 3: Cross multiply
    6,126.78x = 9,185.96 × 2,230.68
  4. Step 4: Simplify right side
    6,126.78x = 20,490,937.25
  5. Step 5: Solve for x
    x = 20,490,937.25/6,126.78
  6. Step 6: Final answer
    x = 3,344.49

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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.