Home / 7,948.22-11,922.58-3,788.68

Finding the Fourth Proportional to 7,948.22, 11,922.58 and 3,788.68

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Solution

The fourth proportional to 7,948.22, 11,922.58 and 3,788.68 is: 5,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.22 : 11,922.58 = 3,788.68 : x
  2. Step 2: Convert to fraction form
    7,948.22/11,922.58 = 3,788.68/x
  3. Step 3: Cross multiply
    7,948.22x = 11,922.58 × 3,788.68
  4. Step 4: Simplify right side
    7,948.22x = 45,170,840.39
  5. Step 5: Solve for x
    x = 45,170,840.39/7,948.22
  6. Step 6: Final answer
    x = 5,683.14

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1.5x scale

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.