Home / 6,984.28-9,637.95-3,839.86

Finding the Fourth Proportional to 6,984.28, 9,637.95 and 3,839.86

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Solution

The fourth proportional to 6,984.28, 9,637.95 and 3,839.86 is: 5,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.28 : 9,637.95 = 3,839.86 : x
  2. Step 2: Convert to fraction form
    6,984.28/9,637.95 = 3,839.86/x
  3. Step 3: Cross multiply
    6,984.28x = 9,637.95 × 3,839.86
  4. Step 4: Simplify right side
    6,984.28x = 37,008,378.69
  5. Step 5: Solve for x
    x = 37,008,378.69/6,984.28
  6. Step 6: Final answer
    x = 5,298.81

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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.