Home / 5,212.65-7,823.39-2,749.24

Finding the Fourth Proportional to 5,212.65, 7,823.39 and 2,749.24

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Solution

The fourth proportional to 5,212.65, 7,823.39 and 2,749.24 is: 4,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.65 : 7,823.39 = 2,749.24 : x
  2. Step 2: Convert to fraction form
    5,212.65/7,823.39 = 2,749.24/x
  3. Step 3: Cross multiply
    5,212.65x = 7,823.39 × 2,749.24
  4. Step 4: Simplify right side
    5,212.65x = 21,508,372.76
  5. Step 5: Solve for x
    x = 21,508,372.76/5,212.65
  6. Step 6: Final answer
    x = 4,126.18

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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.