Home / 5,928.87-8,179.77-3,689.94

Finding the Fourth Proportional to 5,928.87, 8,179.77 and 3,689.94

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Solution

The fourth proportional to 5,928.87, 8,179.77 and 3,689.94 is: 5,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.87 : 8,179.77 = 3,689.94 : x
  2. Step 2: Convert to fraction form
    5,928.87/8,179.77 = 3,689.94/x
  3. Step 3: Cross multiply
    5,928.87x = 8,179.77 × 3,689.94
  4. Step 4: Simplify right side
    5,928.87x = 30,182,860.51
  5. Step 5: Solve for x
    x = 30,182,860.51/5,928.87
  6. Step 6: Final answer
    x = 5,090.83

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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.