Home / 6,891.45-10,337.22-2,211.46

Finding the Fourth Proportional to 6,891.45, 10,337.22 and 2,211.46

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Solution

The fourth proportional to 6,891.45, 10,337.22 and 2,211.46 is: 3,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.45 : 10,337.22 = 2,211.46 : x
  2. Step 2: Convert to fraction form
    6,891.45/10,337.22 = 2,211.46/x
  3. Step 3: Cross multiply
    6,891.45x = 10,337.22 × 2,211.46
  4. Step 4: Simplify right side
    6,891.45x = 22,860,348.54
  5. Step 5: Solve for x
    x = 22,860,348.54/6,891.45
  6. Step 6: Final answer
    x = 3,317.20

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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.