Home / 6,983.51-9,637.28-3,839.90

Finding the Fourth Proportional to 6,983.51, 9,637.28 and 3,839.90

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Solution

The fourth proportional to 6,983.51, 9,637.28 and 3,839.90 is: 5,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.51 : 9,637.28 = 3,839.90 : x
  2. Step 2: Convert to fraction form
    6,983.51/9,637.28 = 3,839.90/x
  3. Step 3: Cross multiply
    6,983.51x = 9,637.28 × 3,839.90
  4. Step 4: Simplify right side
    6,983.51x = 37,006,191.47
  5. Step 5: Solve for x
    x = 37,006,191.47/6,983.51
  6. Step 6: Final answer
    x = 5,299.08

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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.