Home / 5,443.30-8,161.30-2,520.01

Finding the Fourth Proportional to 5,443.30, 8,161.30 and 2,520.01

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Solution

The fourth proportional to 5,443.30, 8,161.30 and 2,520.01 is: 3,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.30 : 8,161.30 = 2,520.01 : x
  2. Step 2: Convert to fraction form
    5,443.30/8,161.30 = 2,520.01/x
  3. Step 3: Cross multiply
    5,443.30x = 8,161.30 × 2,520.01
  4. Step 4: Simplify right side
    5,443.30x = 20,566,504.21
  5. Step 5: Solve for x
    x = 20,566,504.21/5,443.30
  6. Step 6: Final answer
    x = 3,778.32

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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.