Home / 6,147.87-9,228.21-5,449.51

Finding the Fourth Proportional to 6,147.87, 9,228.21 and 5,449.51

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Solution

The fourth proportional to 6,147.87, 9,228.21 and 5,449.51 is: 8,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.87 : 9,228.21 = 5,449.51 : x
  2. Step 2: Convert to fraction form
    6,147.87/9,228.21 = 5,449.51/x
  3. Step 3: Cross multiply
    6,147.87x = 9,228.21 × 5,449.51
  4. Step 4: Simplify right side
    6,147.87x = 50,289,270.38
  5. Step 5: Solve for x
    x = 50,289,270.38/6,147.87
  6. Step 6: Final answer
    x = 8,179.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.