Home / 4,021.11-5,550.63-3,600.72

Finding the Fourth Proportional to 4,021.11, 5,550.63 and 3,600.72

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Solution

The fourth proportional to 4,021.11, 5,550.63 and 3,600.72 is: 4,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.11 : 5,550.63 = 3,600.72 : x
  2. Step 2: Convert to fraction form
    4,021.11/5,550.63 = 3,600.72/x
  3. Step 3: Cross multiply
    4,021.11x = 5,550.63 × 3,600.72
  4. Step 4: Simplify right side
    4,021.11x = 19,986,264.45
  5. Step 5: Solve for x
    x = 19,986,264.45/4,021.11
  6. Step 6: Final answer
    x = 4,970.34

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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.