Home / 4,432.10-6,640.05-3,605.90

Finding the Fourth Proportional to 4,432.10, 6,640.05 and 3,605.90

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Solution

The fourth proportional to 4,432.10, 6,640.05 and 3,605.90 is: 5,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432.10 : 6,640.05 = 3,605.90 : x
  2. Step 2: Convert to fraction form
    4,432.10/6,640.05 = 3,605.90/x
  3. Step 3: Cross multiply
    4,432.10x = 6,640.05 × 3,605.90
  4. Step 4: Simplify right side
    4,432.10x = 23,943,356.30
  5. Step 5: Solve for x
    x = 23,943,356.30/4,432.10
  6. Step 6: Final answer
    x = 5,402.26

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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.