Home / 5,216.43-7,819.65-1,751.25

Finding the Fourth Proportional to 5,216.43, 7,819.65 and 1,751.25

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Solution

The fourth proportional to 5,216.43, 7,819.65 and 1,751.25 is: 2,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.43 : 7,819.65 = 1,751.25 : x
  2. Step 2: Convert to fraction form
    5,216.43/7,819.65 = 1,751.25/x
  3. Step 3: Cross multiply
    5,216.43x = 7,819.65 × 1,751.25
  4. Step 4: Simplify right side
    5,216.43x = 13,694,162.06
  5. Step 5: Solve for x
    x = 13,694,162.06/5,216.43
  6. Step 6: Final answer
    x = 2,625.20

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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.