Home / 6,145.28-9,211.92-2,860.64

Finding the Fourth Proportional to 6,145.28, 9,211.92 and 2,860.64

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Solution

The fourth proportional to 6,145.28, 9,211.92 and 2,860.64 is: 4,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.28 : 9,211.92 = 2,860.64 : x
  2. Step 2: Convert to fraction form
    6,145.28/9,211.92 = 2,860.64/x
  3. Step 3: Cross multiply
    6,145.28x = 9,211.92 × 2,860.64
  4. Step 4: Simplify right side
    6,145.28x = 26,351,986.83
  5. Step 5: Solve for x
    x = 26,351,986.83/6,145.28
  6. Step 6: Final answer
    x = 4,288.17

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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.