Home / 4,788.05-7,172.51-3,742.85

Finding the Fourth Proportional to 4,788.05, 7,172.51 and 3,742.85

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Solution

The fourth proportional to 4,788.05, 7,172.51 and 3,742.85 is: 5,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.05 : 7,172.51 = 3,742.85 : x
  2. Step 2: Convert to fraction form
    4,788.05/7,172.51 = 3,742.85/x
  3. Step 3: Cross multiply
    4,788.05x = 7,172.51 × 3,742.85
  4. Step 4: Simplify right side
    4,788.05x = 26,845,629.05
  5. Step 5: Solve for x
    x = 26,845,629.05/4,788.05
  6. Step 6: Final answer
    x = 5,606.80

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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.