Home / 5,147.96-7,719.50-2,373.81

Finding the Fourth Proportional to 5,147.96, 7,719.50 and 2,373.81

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Solution

The fourth proportional to 5,147.96, 7,719.50 and 2,373.81 is: 3,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.96 : 7,719.50 = 2,373.81 : x
  2. Step 2: Convert to fraction form
    5,147.96/7,719.50 = 2,373.81/x
  3. Step 3: Cross multiply
    5,147.96x = 7,719.50 × 2,373.81
  4. Step 4: Simplify right side
    5,147.96x = 18,324,603.28
  5. Step 5: Solve for x
    x = 18,324,603.28/5,147.96
  6. Step 6: Final answer
    x = 3,559.59

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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.