Home / 4,224.88-5,831.28-3,391.12

Finding the Fourth Proportional to 4,224.88, 5,831.28 and 3,391.12

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Solution

The fourth proportional to 4,224.88, 5,831.28 and 3,391.12 is: 4,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,224.88 : 5,831.28 = 3,391.12 : x
  2. Step 2: Convert to fraction form
    4,224.88/5,831.28 = 3,391.12/x
  3. Step 3: Cross multiply
    4,224.88x = 5,831.28 × 3,391.12
  4. Step 4: Simplify right side
    4,224.88x = 19,774,570.23
  5. Step 5: Solve for x
    x = 19,774,570.23/4,224.88
  6. Step 6: Final answer
    x = 4,680.50

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1.5x scale

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.