Home / 6,983.43-9,637.09-3,839.61

Finding the Fourth Proportional to 6,983.43, 9,637.09 and 3,839.61

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Solution

The fourth proportional to 6,983.43, 9,637.09 and 3,839.61 is: 5,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.43 : 9,637.09 = 3,839.61 : x
  2. Step 2: Convert to fraction form
    6,983.43/9,637.09 = 3,839.61/x
  3. Step 3: Cross multiply
    6,983.43x = 9,637.09 × 3,839.61
  4. Step 4: Simplify right side
    6,983.43x = 37,002,667.13
  5. Step 5: Solve for x
    x = 37,002,667.13/6,983.43
  6. Step 6: Final answer
    x = 5,298.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.