Home / 6,984.15-9,637.83-3,840.33

Finding the Fourth Proportional to 6,984.15, 9,637.83 and 3,840.33

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Solution

The fourth proportional to 6,984.15, 9,637.83 and 3,840.33 is: 5,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,984.15 : 9,637.83 = 3,840.33 : x
  2. Step 2: Convert to fraction form
    6,984.15/9,637.83 = 3,840.33/x
  3. Step 3: Cross multiply
    6,984.15x = 9,637.83 × 3,840.33
  4. Step 4: Simplify right side
    6,984.15x = 37,012,447.68
  5. Step 5: Solve for x
    x = 37,012,447.68/6,984.15
  6. Step 6: Final answer
    x = 5,299.49

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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.