Home / 6,983.44-9,637.31-3,839.63

Finding the Fourth Proportional to 6,983.44, 9,637.31 and 3,839.63

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Solution

The fourth proportional to 6,983.44, 9,637.31 and 3,839.63 is: 5,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.44 : 9,637.31 = 3,839.63 : x
  2. Step 2: Convert to fraction form
    6,983.44/9,637.31 = 3,839.63/x
  3. Step 3: Cross multiply
    6,983.44x = 9,637.31 × 3,839.63
  4. Step 4: Simplify right side
    6,983.44x = 37,003,666.01
  5. Step 5: Solve for x
    x = 37,003,666.01/6,983.44
  6. Step 6: Final answer
    x = 5,298.78

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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.