Home / 4,630.22-6,388.44-2,640.05

Finding the Fourth Proportional to 4,630.22, 6,388.44 and 2,640.05

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Solution

The fourth proportional to 4,630.22, 6,388.44 and 2,640.05 is: 3,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.22 : 6,388.44 = 2,640.05 : x
  2. Step 2: Convert to fraction form
    4,630.22/6,388.44 = 2,640.05/x
  3. Step 3: Cross multiply
    4,630.22x = 6,388.44 × 2,640.05
  4. Step 4: Simplify right side
    4,630.22x = 16,865,801.02
  5. Step 5: Solve for x
    x = 16,865,801.02/4,630.22
  6. Step 6: Final answer
    x = 3,642.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.