Home / 9,220.59-13,831.83-3,378.87

Finding the Fourth Proportional to 9,220.59, 13,831.83 and 3,378.87

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Solution

The fourth proportional to 9,220.59, 13,831.83 and 3,378.87 is: 5,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.59 : 13,831.83 = 3,378.87 : x
  2. Step 2: Convert to fraction form
    9,220.59/13,831.83 = 3,378.87/x
  3. Step 3: Cross multiply
    9,220.59x = 13,831.83 × 3,378.87
  4. Step 4: Simplify right side
    9,220.59x = 46,735,955.43
  5. Step 5: Solve for x
    x = 46,735,955.43/9,220.59
  6. Step 6: Final answer
    x = 5,068.65

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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.