Home / 10,408.75-15,604.92-3,831.35

Finding the Fourth Proportional to 10,408.75, 15,604.92 and 3,831.35

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Solution

The fourth proportional to 10,408.75, 15,604.92 and 3,831.35 is: 5,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.75 : 15,604.92 = 3,831.35 : x
  2. Step 2: Convert to fraction form
    10,408.75/15,604.92 = 3,831.35/x
  3. Step 3: Cross multiply
    10,408.75x = 15,604.92 × 3,831.35
  4. Step 4: Simplify right side
    10,408.75x = 59,787,832.22
  5. Step 5: Solve for x
    x = 59,787,832.22/10,408.75
  6. Step 6: Final answer
    x = 5,744.00

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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.