Home / 4,788.89-7,183.34-1,326.14

Finding the Fourth Proportional to 4,788.89, 7,183.34 and 1,326.14

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Solution

The fourth proportional to 4,788.89, 7,183.34 and 1,326.14 is: 1,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.89 : 7,183.34 = 1,326.14 : x
  2. Step 2: Convert to fraction form
    4,788.89/7,183.34 = 1,326.14/x
  3. Step 3: Cross multiply
    4,788.89x = 7,183.34 × 1,326.14
  4. Step 4: Simplify right side
    4,788.89x = 9,526,089.92
  5. Step 5: Solve for x
    x = 9,526,089.92/4,788.89
  6. Step 6: Final answer
    x = 1,989.21

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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.