Home / 5,479.06-8,212.56-2,554.96

Finding the Fourth Proportional to 5,479.06, 8,212.56 and 2,554.96

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Solution

The fourth proportional to 5,479.06, 8,212.56 and 2,554.96 is: 3,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.06 : 8,212.56 = 2,554.96 : x
  2. Step 2: Convert to fraction form
    5,479.06/8,212.56 = 2,554.96/x
  3. Step 3: Cross multiply
    5,479.06x = 8,212.56 × 2,554.96
  4. Step 4: Simplify right side
    5,479.06x = 20,982,762.30
  5. Step 5: Solve for x
    x = 20,982,762.30/5,479.06
  6. Step 6: Final answer
    x = 3,829.63

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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.