Home / 5,395.03-8,089.31-2,109.67

Finding the Fourth Proportional to 5,395.03, 8,089.31 and 2,109.67

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Solution

The fourth proportional to 5,395.03, 8,089.31 and 2,109.67 is: 3,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.03 : 8,089.31 = 2,109.67 : x
  2. Step 2: Convert to fraction form
    5,395.03/8,089.31 = 2,109.67/x
  3. Step 3: Cross multiply
    5,395.03x = 8,089.31 × 2,109.67
  4. Step 4: Simplify right side
    5,395.03x = 17,065,793.31
  5. Step 5: Solve for x
    x = 17,065,793.31/5,395.03
  6. Step 6: Final answer
    x = 3,163.24

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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.