Home / 5,441.50-8,165.32-2,321.21

Finding the Fourth Proportional to 5,441.50, 8,165.32 and 2,321.21

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Solution

The fourth proportional to 5,441.50, 8,165.32 and 2,321.21 is: 3,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.50 : 8,165.32 = 2,321.21 : x
  2. Step 2: Convert to fraction form
    5,441.50/8,165.32 = 2,321.21/x
  3. Step 3: Cross multiply
    5,441.50x = 8,165.32 × 2,321.21
  4. Step 4: Simplify right side
    5,441.50x = 18,953,394.38
  5. Step 5: Solve for x
    x = 18,953,394.38/5,441.50
  6. Step 6: Final answer
    x = 3,483.12

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1.5x scale

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.