Home / 9,405.63-14,110.79-2,831.94

Finding the Fourth Proportional to 9,405.63, 14,110.79 and 2,831.94

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Solution

The fourth proportional to 9,405.63, 14,110.79 and 2,831.94 is: 4,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.63 : 14,110.79 = 2,831.94 : x
  2. Step 2: Convert to fraction form
    9,405.63/14,110.79 = 2,831.94/x
  3. Step 3: Cross multiply
    9,405.63x = 14,110.79 × 2,831.94
  4. Step 4: Simplify right side
    9,405.63x = 39,960,896.47
  5. Step 5: Solve for x
    x = 39,960,896.47/9,405.63
  6. Step 6: Final answer
    x = 4,248.61

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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.