Home / 5,640.23-8,460.24-1,942.37

Finding the Fourth Proportional to 5,640.23, 8,460.24 and 1,942.37

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Solution

The fourth proportional to 5,640.23, 8,460.24 and 1,942.37 is: 2,913.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.23 : 8,460.24 = 1,942.37 : x
  2. Step 2: Convert to fraction form
    5,640.23/8,460.24 = 1,942.37/x
  3. Step 3: Cross multiply
    5,640.23x = 8,460.24 × 1,942.37
  4. Step 4: Simplify right side
    5,640.23x = 16,432,906.66
  5. Step 5: Solve for x
    x = 16,432,906.66/5,640.23
  6. Step 6: Final answer
    x = 2,913.52

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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.