Home / 8,831.89-13,249.07-2,986.93

Finding the Fourth Proportional to 8,831.89, 13,249.07 and 2,986.93

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Solution

The fourth proportional to 8,831.89, 13,249.07 and 2,986.93 is: 4,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.89 : 13,249.07 = 2,986.93 : x
  2. Step 2: Convert to fraction form
    8,831.89/13,249.07 = 2,986.93/x
  3. Step 3: Cross multiply
    8,831.89x = 13,249.07 × 2,986.93
  4. Step 4: Simplify right side
    8,831.89x = 39,574,044.66
  5. Step 5: Solve for x
    x = 39,574,044.66/8,831.89
  6. Step 6: Final answer
    x = 4,480.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.