Home / 3,860.63-5,327.66-3,260.72

Finding the Fourth Proportional to 3,860.63, 5,327.66 and 3,260.72

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Solution

The fourth proportional to 3,860.63, 5,327.66 and 3,260.72 is: 4,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.63 : 5,327.66 = 3,260.72 : x
  2. Step 2: Convert to fraction form
    3,860.63/5,327.66 = 3,260.72/x
  3. Step 3: Cross multiply
    3,860.63x = 5,327.66 × 3,260.72
  4. Step 4: Simplify right side
    3,860.63x = 17,372,007.52
  5. Step 5: Solve for x
    x = 17,372,007.52/3,860.63
  6. Step 6: Final answer
    x = 4,499.79

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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.