Home / 5,910.98-8,865.59-2,212.74

Finding the Fourth Proportional to 5,910.98, 8,865.59 and 2,212.74

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Solution

The fourth proportional to 5,910.98, 8,865.59 and 2,212.74 is: 3,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.98 : 8,865.59 = 2,212.74 : x
  2. Step 2: Convert to fraction form
    5,910.98/8,865.59 = 2,212.74/x
  3. Step 3: Cross multiply
    5,910.98x = 8,865.59 × 2,212.74
  4. Step 4: Simplify right side
    5,910.98x = 19,617,234.55
  5. Step 5: Solve for x
    x = 19,617,234.55/5,910.98
  6. Step 6: Final answer
    x = 3,318.78

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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.