Home / 7,187.22-10,780.82-2,257.24

Finding the Fourth Proportional to 7,187.22, 10,780.82 and 2,257.24

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Solution

The fourth proportional to 7,187.22, 10,780.82 and 2,257.24 is: 3,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.22 : 10,780.82 = 2,257.24 : x
  2. Step 2: Convert to fraction form
    7,187.22/10,780.82 = 2,257.24/x
  3. Step 3: Cross multiply
    7,187.22x = 10,780.82 × 2,257.24
  4. Step 4: Simplify right side
    7,187.22x = 24,334,898.14
  5. Step 5: Solve for x
    x = 24,334,898.14/7,187.22
  6. Step 6: Final answer
    x = 3,385.86

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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.