Home / 4,820.16-7,221.99-2,630.43

Finding the Fourth Proportional to 4,820.16, 7,221.99 and 2,630.43

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Solution

The fourth proportional to 4,820.16, 7,221.99 and 2,630.43 is: 3,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.16 : 7,221.99 = 2,630.43 : x
  2. Step 2: Convert to fraction form
    4,820.16/7,221.99 = 2,630.43/x
  3. Step 3: Cross multiply
    4,820.16x = 7,221.99 × 2,630.43
  4. Step 4: Simplify right side
    4,820.16x = 18,996,949.02
  5. Step 5: Solve for x
    x = 18,996,949.02/4,820.16
  6. Step 6: Final answer
    x = 3,941.14

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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.