Home / 6,626.43-9,143.96-3,831.39

Finding the Fourth Proportional to 6,626.43, 9,143.96 and 3,831.39

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Solution

The fourth proportional to 6,626.43, 9,143.96 and 3,831.39 is: 5,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.43 : 9,143.96 = 3,831.39 : x
  2. Step 2: Convert to fraction form
    6,626.43/9,143.96 = 3,831.39/x
  3. Step 3: Cross multiply
    6,626.43x = 9,143.96 × 3,831.39
  4. Step 4: Simplify right side
    6,626.43x = 35,034,057.75
  5. Step 5: Solve for x
    x = 35,034,057.75/6,626.43
  6. Step 6: Final answer
    x = 5,287.02

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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.