Home / 5,217.20-7,823.32-3,026.56

Finding the Fourth Proportional to 5,217.20, 7,823.32 and 3,026.56

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Solution

The fourth proportional to 5,217.20, 7,823.32 and 3,026.56 is: 4,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.20 : 7,823.32 = 3,026.56 : x
  2. Step 2: Convert to fraction form
    5,217.20/7,823.32 = 3,026.56/x
  3. Step 3: Cross multiply
    5,217.20x = 7,823.32 × 3,026.56
  4. Step 4: Simplify right side
    5,217.20x = 23,677,747.38
  5. Step 5: Solve for x
    x = 23,677,747.38/5,217.20
  6. Step 6: Final answer
    x = 4,538.40

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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.