Home / 5,212.25-7,819.23-1,513.99

Finding the Fourth Proportional to 5,212.25, 7,819.23 and 1,513.99

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Solution

The fourth proportional to 5,212.25, 7,819.23 and 1,513.99 is: 2,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.25 : 7,819.23 = 1,513.99 : x
  2. Step 2: Convert to fraction form
    5,212.25/7,819.23 = 1,513.99/x
  3. Step 3: Cross multiply
    5,212.25x = 7,819.23 × 1,513.99
  4. Step 4: Simplify right side
    5,212.25x = 11,838,251.48
  5. Step 5: Solve for x
    x = 11,838,251.48/5,212.25
  6. Step 6: Final answer
    x = 2,271.24

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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.