Home / 6,983.54-9,637.36-3,839.76

Finding the Fourth Proportional to 6,983.54, 9,637.36 and 3,839.76

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Solution

The fourth proportional to 6,983.54, 9,637.36 and 3,839.76 is: 5,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.54 : 9,637.36 = 3,839.76 : x
  2. Step 2: Convert to fraction form
    6,983.54/9,637.36 = 3,839.76/x
  3. Step 3: Cross multiply
    6,983.54x = 9,637.36 × 3,839.76
  4. Step 4: Simplify right side
    6,983.54x = 37,005,149.43
  5. Step 5: Solve for x
    x = 37,005,149.43/6,983.54
  6. Step 6: Final answer
    x = 5,298.91

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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.