Home / 7,217.87-10,827.18-2,287.89

Finding the Fourth Proportional to 7,217.87, 10,827.18 and 2,287.89

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Solution

The fourth proportional to 7,217.87, 10,827.18 and 2,287.89 is: 3,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.87 : 10,827.18 = 2,287.89 : x
  2. Step 2: Convert to fraction form
    7,217.87/10,827.18 = 2,287.89/x
  3. Step 3: Cross multiply
    7,217.87x = 10,827.18 × 2,287.89
  4. Step 4: Simplify right side
    7,217.87x = 24,771,392.45
  5. Step 5: Solve for x
    x = 24,771,392.45/7,217.87
  6. Step 6: Final answer
    x = 3,431.96

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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.