Home / 5,441.63-8,163.85-2,320.07

Finding the Fourth Proportional to 5,441.63, 8,163.85 and 2,320.07

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Solution

The fourth proportional to 5,441.63, 8,163.85 and 2,320.07 is: 3,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.63 : 8,163.85 = 2,320.07 : x
  2. Step 2: Convert to fraction form
    5,441.63/8,163.85 = 2,320.07/x
  3. Step 3: Cross multiply
    5,441.63x = 8,163.85 × 2,320.07
  4. Step 4: Simplify right side
    5,441.63x = 18,940,703.47
  5. Step 5: Solve for x
    x = 18,940,703.47/5,441.63
  6. Step 6: Final answer
    x = 3,480.70

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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.