Home / 4,710.20-6,499.78-2,720.43

Finding the Fourth Proportional to 4,710.20, 6,499.78 and 2,720.43

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Solution

The fourth proportional to 4,710.20, 6,499.78 and 2,720.43 is: 3,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.20 : 6,499.78 = 2,720.43 : x
  2. Step 2: Convert to fraction form
    4,710.20/6,499.78 = 2,720.43/x
  3. Step 3: Cross multiply
    4,710.20x = 6,499.78 × 2,720.43
  4. Step 4: Simplify right side
    4,710.20x = 17,682,189.70
  5. Step 5: Solve for x
    x = 17,682,189.70/4,710.20
  6. Step 6: Final answer
    x = 3,754.02

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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.