Home / 6,127.97-9,189.89-1,966.95

Finding the Fourth Proportional to 6,127.97, 9,189.89 and 1,966.95

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Solution

The fourth proportional to 6,127.97, 9,189.89 and 1,966.95 is: 2,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.97 : 9,189.89 = 1,966.95 : x
  2. Step 2: Convert to fraction form
    6,127.97/9,189.89 = 1,966.95/x
  3. Step 3: Cross multiply
    6,127.97x = 9,189.89 × 1,966.95
  4. Step 4: Simplify right side
    6,127.97x = 18,076,085.61
  5. Step 5: Solve for x
    x = 18,076,085.61/6,127.97
  6. Step 6: Final answer
    x = 2,949.77

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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.