Home / 9,147.04-13,723.96-2,991.04

Finding the Fourth Proportional to 9,147.04, 13,723.96 and 2,991.04

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Solution

The fourth proportional to 9,147.04, 13,723.96 and 2,991.04 is: 4,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.04 : 13,723.96 = 2,991.04 : x
  2. Step 2: Convert to fraction form
    9,147.04/13,723.96 = 2,991.04/x
  3. Step 3: Cross multiply
    9,147.04x = 13,723.96 × 2,991.04
  4. Step 4: Simplify right side
    9,147.04x = 41,048,913.32
  5. Step 5: Solve for x
    x = 41,048,913.32/9,147.04
  6. Step 6: Final answer
    x = 4,487.67

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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.