Home / 4,039.21-5,572.77-3,291.89

Finding the Fourth Proportional to 4,039.21, 5,572.77 and 3,291.89

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Solution

The fourth proportional to 4,039.21, 5,572.77 and 3,291.89 is: 4,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.21 : 5,572.77 = 3,291.89 : x
  2. Step 2: Convert to fraction form
    4,039.21/5,572.77 = 3,291.89/x
  3. Step 3: Cross multiply
    4,039.21x = 5,572.77 × 3,291.89
  4. Step 4: Simplify right side
    4,039.21x = 18,344,917.97
  5. Step 5: Solve for x
    x = 18,344,917.97/4,039.21
  6. Step 6: Final answer
    x = 4,541.71

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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.