Home / 6,516.81-8,993.36-3,997.49

Finding the Fourth Proportional to 6,516.81, 8,993.36 and 3,997.49

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Solution

The fourth proportional to 6,516.81, 8,993.36 and 3,997.49 is: 5,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.81 : 8,993.36 = 3,997.49 : x
  2. Step 2: Convert to fraction form
    6,516.81/8,993.36 = 3,997.49/x
  3. Step 3: Cross multiply
    6,516.81x = 8,993.36 × 3,997.49
  4. Step 4: Simplify right side
    6,516.81x = 35,950,831.69
  5. Step 5: Solve for x
    x = 35,950,831.69/6,516.81
  6. Step 6: Final answer
    x = 5,516.63

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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.