Home / 4,949.76-6,831.36-3,087.36

Finding the Fourth Proportional to 4,949.76, 6,831.36 and 3,087.36

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Solution

The fourth proportional to 4,949.76, 6,831.36 and 3,087.36 is: 4,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.76 : 6,831.36 = 3,087.36 : x
  2. Step 2: Convert to fraction form
    4,949.76/6,831.36 = 3,087.36/x
  3. Step 3: Cross multiply
    4,949.76x = 6,831.36 × 3,087.36
  4. Step 4: Simplify right side
    4,949.76x = 21,090,867.61
  5. Step 5: Solve for x
    x = 21,090,867.61/4,949.76
  6. Step 6: Final answer
    x = 4,260.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.