Home / 4,070.89-6,105.12-2,221.66

Finding the Fourth Proportional to 4,070.89, 6,105.12 and 2,221.66

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Solution

The fourth proportional to 4,070.89, 6,105.12 and 2,221.66 is: 3,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.89 : 6,105.12 = 2,221.66 : x
  2. Step 2: Convert to fraction form
    4,070.89/6,105.12 = 2,221.66/x
  3. Step 3: Cross multiply
    4,070.89x = 6,105.12 × 2,221.66
  4. Step 4: Simplify right side
    4,070.89x = 13,563,500.90
  5. Step 5: Solve for x
    x = 13,563,500.90/4,070.89
  6. Step 6: Final answer
    x = 3,331.83

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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.