Home / 5,479.14-8,215.78-2,843.99

Finding the Fourth Proportional to 5,479.14, 8,215.78 and 2,843.99

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Solution

The fourth proportional to 5,479.14, 8,215.78 and 2,843.99 is: 4,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.14 : 8,215.78 = 2,843.99 : x
  2. Step 2: Convert to fraction form
    5,479.14/8,215.78 = 2,843.99/x
  3. Step 3: Cross multiply
    5,479.14x = 8,215.78 × 2,843.99
  4. Step 4: Simplify right side
    5,479.14x = 23,365,596.16
  5. Step 5: Solve for x
    x = 23,365,596.16/5,479.14
  6. Step 6: Final answer
    x = 4,264.46

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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.