Home / 6,831.29-10,190.33-6,629.87

Finding the Fourth Proportional to 6,831.29, 10,190.33 and 6,629.87

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Solution

The fourth proportional to 6,831.29, 10,190.33 and 6,629.87 is: 9,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,831.29 : 10,190.33 = 6,629.87 : x
  2. Step 2: Convert to fraction form
    6,831.29/10,190.33 = 6,629.87/x
  3. Step 3: Cross multiply
    6,831.29x = 10,190.33 × 6,629.87
  4. Step 4: Simplify right side
    6,831.29x = 67,560,479.06
  5. Step 5: Solve for x
    x = 67,560,479.06/6,831.29
  6. Step 6: Final answer
    x = 9,889.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.