Home / 9,220.72-13,831.09-3,952.32

Finding the Fourth Proportional to 9,220.72, 13,831.09 and 3,952.32

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Solution

The fourth proportional to 9,220.72, 13,831.09 and 3,952.32 is: 5,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.72 : 13,831.09 = 3,952.32 : x
  2. Step 2: Convert to fraction form
    9,220.72/13,831.09 = 3,952.32/x
  3. Step 3: Cross multiply
    9,220.72x = 13,831.09 × 3,952.32
  4. Step 4: Simplify right side
    9,220.72x = 54,664,893.63
  5. Step 5: Solve for x
    x = 54,664,893.63/9,220.72
  6. Step 6: Final answer
    x = 5,928.48

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Similar ratio
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1.5x scale

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.