Home / 8,831.01-13,243.67-3,900.54

Finding the Fourth Proportional to 8,831.01, 13,243.67 and 3,900.54

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Solution

The fourth proportional to 8,831.01, 13,243.67 and 3,900.54 is: 5,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.01 : 13,243.67 = 3,900.54 : x
  2. Step 2: Convert to fraction form
    8,831.01/13,243.67 = 3,900.54/x
  3. Step 3: Cross multiply
    8,831.01x = 13,243.67 × 3,900.54
  4. Step 4: Simplify right side
    8,831.01x = 51,657,378.86
  5. Step 5: Solve for x
    x = 51,657,378.86/8,831.01
  6. Step 6: Final answer
    x = 5,849.55

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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.