Home / 5,675.16-8,512.70-2,212.41

Finding the Fourth Proportional to 5,675.16, 8,512.70 and 2,212.41

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Solution

The fourth proportional to 5,675.16, 8,512.70 and 2,212.41 is: 3,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.16 : 8,512.70 = 2,212.41 : x
  2. Step 2: Convert to fraction form
    5,675.16/8,512.70 = 2,212.41/x
  3. Step 3: Cross multiply
    5,675.16x = 8,512.70 × 2,212.41
  4. Step 4: Simplify right side
    5,675.16x = 18,833,582.61
  5. Step 5: Solve for x
    x = 18,833,582.61/5,675.16
  6. Step 6: Final answer
    x = 3,318.60

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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.