Home / 6,831.51-9,426.96-3,998.49

Finding the Fourth Proportional to 6,831.51, 9,426.96 and 3,998.49

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Solution

The fourth proportional to 6,831.51, 9,426.96 and 3,998.49 is: 5,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.51 : 9,426.96 = 3,998.49 : x
  2. Step 2: Convert to fraction form
    6,831.51/9,426.96 = 3,998.49/x
  3. Step 3: Cross multiply
    6,831.51x = 9,426.96 × 3,998.49
  4. Step 4: Simplify right side
    6,831.51x = 37,693,585.21
  5. Step 5: Solve for x
    x = 37,693,585.21/6,831.51
  6. Step 6: Final answer
    x = 5,517.60

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Similar ratio
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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.