Home / 4,203.20-6,310.25-2,971.19

Finding the Fourth Proportional to 4,203.20, 6,310.25 and 2,971.19

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Solution

The fourth proportional to 4,203.20, 6,310.25 and 2,971.19 is: 4,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.20 : 6,310.25 = 2,971.19 : x
  2. Step 2: Convert to fraction form
    4,203.20/6,310.25 = 2,971.19/x
  3. Step 3: Cross multiply
    4,203.20x = 6,310.25 × 2,971.19
  4. Step 4: Simplify right side
    4,203.20x = 18,748,951.70
  5. Step 5: Solve for x
    x = 18,748,951.70/4,203.20
  6. Step 6: Final answer
    x = 4,460.64

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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.