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Finding the Fourth Proportional to 6,456.94, 9,685.41 and 1,839.94

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Solution

The fourth proportional to 6,456.94, 9,685.41 and 1,839.94 is: 2,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.94 : 9,685.41 = 1,839.94 : x
  2. Step 2: Convert to fraction form
    6,456.94/9,685.41 = 1,839.94/x
  3. Step 3: Cross multiply
    6,456.94x = 9,685.41 × 1,839.94
  4. Step 4: Simplify right side
    6,456.94x = 17,820,542.16
  5. Step 5: Solve for x
    x = 17,820,542.16/6,456.94
  6. Step 6: Final answer
    x = 2,759.91

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Similar ratio
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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.