Home / 5,479.25-8,223.75-2,559.20

Finding the Fourth Proportional to 5,479.25, 8,223.75 and 2,559.20

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Solution

The fourth proportional to 5,479.25, 8,223.75 and 2,559.20 is: 3,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.25 : 8,223.75 = 2,559.20 : x
  2. Step 2: Convert to fraction form
    5,479.25/8,223.75 = 2,559.20/x
  3. Step 3: Cross multiply
    5,479.25x = 8,223.75 × 2,559.20
  4. Step 4: Simplify right side
    5,479.25x = 21,046,179.88
  5. Step 5: Solve for x
    x = 21,046,179.88/5,479.25
  6. Step 6: Final answer
    x = 3,841.07

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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.