Home / 5,441.34-8,161.74-1,545.24

Finding the Fourth Proportional to 5,441.34, 8,161.74 and 1,545.24

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Solution

The fourth proportional to 5,441.34, 8,161.74 and 1,545.24 is: 2,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.34 : 8,161.74 = 1,545.24 : x
  2. Step 2: Convert to fraction form
    5,441.34/8,161.74 = 1,545.24/x
  3. Step 3: Cross multiply
    5,441.34x = 8,161.74 × 1,545.24
  4. Step 4: Simplify right side
    5,441.34x = 12,611,847.12
  5. Step 5: Solve for x
    x = 12,611,847.12/5,441.34
  6. Step 6: Final answer
    x = 2,317.78

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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.