Home / 6,126.94-9,188.52-1,966.78

Finding the Fourth Proportional to 6,126.94, 9,188.52 and 1,966.78

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Solution

The fourth proportional to 6,126.94, 9,188.52 and 1,966.78 is: 2,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.94 : 9,188.52 = 1,966.78 : x
  2. Step 2: Convert to fraction form
    6,126.94/9,188.52 = 1,966.78/x
  3. Step 3: Cross multiply
    6,126.94x = 9,188.52 × 1,966.78
  4. Step 4: Simplify right side
    6,126.94x = 18,071,797.37
  5. Step 5: Solve for x
    x = 18,071,797.37/6,126.94
  6. Step 6: Final answer
    x = 2,949.56

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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.