Home / 9,220.66-13,831.80-3,675.40

Finding the Fourth Proportional to 9,220.66, 13,831.80 and 3,675.40

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Solution

The fourth proportional to 9,220.66, 13,831.80 and 3,675.40 is: 5,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.66 : 13,831.80 = 3,675.40 : x
  2. Step 2: Convert to fraction form
    9,220.66/13,831.80 = 3,675.40/x
  3. Step 3: Cross multiply
    9,220.66x = 13,831.80 × 3,675.40
  4. Step 4: Simplify right side
    9,220.66x = 50,837,397.72
  5. Step 5: Solve for x
    x = 50,837,397.72/9,220.66
  6. Step 6: Final answer
    x = 5,513.42

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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.