Home / 6,983.60-9,637.30-3,839.76

Finding the Fourth Proportional to 6,983.60, 9,637.30 and 3,839.76

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Solution

The fourth proportional to 6,983.60, 9,637.30 and 3,839.76 is: 5,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.60 : 9,637.30 = 3,839.76 : x
  2. Step 2: Convert to fraction form
    6,983.60/9,637.30 = 3,839.76/x
  3. Step 3: Cross multiply
    6,983.60x = 9,637.30 × 3,839.76
  4. Step 4: Simplify right side
    6,983.60x = 37,004,919.05
  5. Step 5: Solve for x
    x = 37,004,919.05/6,983.60
  6. Step 6: Final answer
    x = 5,298.83

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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.