Home / 5,212.89-7,819.72-1,465.23

Finding the Fourth Proportional to 5,212.89, 7,819.72 and 1,465.23

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Solution

The fourth proportional to 5,212.89, 7,819.72 and 1,465.23 is: 2,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.89 : 7,819.72 = 1,465.23 : x
  2. Step 2: Convert to fraction form
    5,212.89/7,819.72 = 1,465.23/x
  3. Step 3: Cross multiply
    5,212.89x = 7,819.72 × 1,465.23
  4. Step 4: Simplify right side
    5,212.89x = 11,457,655.35
  5. Step 5: Solve for x
    x = 11,457,655.35/5,212.89
  6. Step 6: Final answer
    x = 2,197.95

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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.