Home / 5,147.26-7,720.87-2,373.12

Finding the Fourth Proportional to 5,147.26, 7,720.87 and 2,373.12

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Solution

The fourth proportional to 5,147.26, 7,720.87 and 2,373.12 is: 3,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.26 : 7,720.87 = 2,373.12 : x
  2. Step 2: Convert to fraction form
    5,147.26/7,720.87 = 2,373.12/x
  3. Step 3: Cross multiply
    5,147.26x = 7,720.87 × 2,373.12
  4. Step 4: Simplify right side
    5,147.26x = 18,322,551.01
  5. Step 5: Solve for x
    x = 18,322,551.01/5,147.26
  6. Step 6: Final answer
    x = 3,559.67

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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.