Home / 7,211.58-10,817.98-2,281.11

Finding the Fourth Proportional to 7,211.58, 10,817.98 and 2,281.11

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Solution

The fourth proportional to 7,211.58, 10,817.98 and 2,281.11 is: 3,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.58 : 10,817.98 = 2,281.11 : x
  2. Step 2: Convert to fraction form
    7,211.58/10,817.98 = 2,281.11/x
  3. Step 3: Cross multiply
    7,211.58x = 10,817.98 × 2,281.11
  4. Step 4: Simplify right side
    7,211.58x = 24,676,996.66
  5. Step 5: Solve for x
    x = 24,676,996.66/7,211.58
  6. Step 6: Final answer
    x = 3,421.86

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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.