Home / 5,217.56-7,828.68-2,296.72

Finding the Fourth Proportional to 5,217.56, 7,828.68 and 2,296.72

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Solution

The fourth proportional to 5,217.56, 7,828.68 and 2,296.72 is: 3,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.56 : 7,828.68 = 2,296.72 : x
  2. Step 2: Convert to fraction form
    5,217.56/7,828.68 = 2,296.72/x
  3. Step 3: Cross multiply
    5,217.56x = 7,828.68 × 2,296.72
  4. Step 4: Simplify right side
    5,217.56x = 17,980,285.93
  5. Step 5: Solve for x
    x = 17,980,285.93/5,217.56
  6. Step 6: Final answer
    x = 3,446.11

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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.