Home / 5,212.66-7,819.04-1,317.06

Finding the Fourth Proportional to 5,212.66, 7,819.04 and 1,317.06

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Solution

The fourth proportional to 5,212.66, 7,819.04 and 1,317.06 is: 1,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.66 : 7,819.04 = 1,317.06 : x
  2. Step 2: Convert to fraction form
    5,212.66/7,819.04 = 1,317.06/x
  3. Step 3: Cross multiply
    5,212.66x = 7,819.04 × 1,317.06
  4. Step 4: Simplify right side
    5,212.66x = 10,298,144.82
  5. Step 5: Solve for x
    x = 10,298,144.82/5,212.66
  6. Step 6: Final answer
    x = 1,975.60

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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.