Home / 9,405.74-14,110.96-2,831.78

Finding the Fourth Proportional to 9,405.74, 14,110.96 and 2,831.78

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Solution

The fourth proportional to 9,405.74, 14,110.96 and 2,831.78 is: 4,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.74 : 14,110.96 = 2,831.78 : x
  2. Step 2: Convert to fraction form
    9,405.74/14,110.96 = 2,831.78/x
  3. Step 3: Cross multiply
    9,405.74x = 14,110.96 × 2,831.78
  4. Step 4: Simplify right side
    9,405.74x = 39,959,134.31
  5. Step 5: Solve for x
    x = 39,959,134.31/9,405.74
  6. Step 6: Final answer
    x = 4,248.38

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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.