Home / 6,983.28-9,637.39-3,999.52

Finding the Fourth Proportional to 6,983.28, 9,637.39 and 3,999.52

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Solution

The fourth proportional to 6,983.28, 9,637.39 and 3,999.52 is: 5,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983.28 : 9,637.39 = 3,999.52 : x
  2. Step 2: Convert to fraction form
    6,983.28/9,637.39 = 3,999.52/x
  3. Step 3: Cross multiply
    6,983.28x = 9,637.39 × 3,999.52
  4. Step 4: Simplify right side
    6,983.28x = 38,544,934.05
  5. Step 5: Solve for x
    x = 38,544,934.05/6,983.28
  6. Step 6: Final answer
    x = 5,519.60

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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.