Home / 5,940-8,904.60-3,165.48

Finding the Fourth Proportional to 5,940, 8,904.60 and 3,165.48

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Solution

The fourth proportional to 5,940, 8,904.60 and 3,165.48 is: 4,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940 : 8,904.60 = 3,165.48 : x
  2. Step 2: Convert to fraction form
    5,940/8,904.60 = 3,165.48/x
  3. Step 3: Cross multiply
    5,940x = 8,904.60 × 3,165.48
  4. Step 4: Simplify right side
    5,940x = 28,187,333.21
  5. Step 5: Solve for x
    x = 28,187,333.21/5,940
  6. Step 6: Final answer
    x = 4,745.34

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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.