Home / 4,267.10-6,397.90-2,947.14

Finding the Fourth Proportional to 4,267.10, 6,397.90 and 2,947.14

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Solution

The fourth proportional to 4,267.10, 6,397.90 and 2,947.14 is: 4,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.10 : 6,397.90 = 2,947.14 : x
  2. Step 2: Convert to fraction form
    4,267.10/6,397.90 = 2,947.14/x
  3. Step 3: Cross multiply
    4,267.10x = 6,397.90 × 2,947.14
  4. Step 4: Simplify right side
    4,267.10x = 18,855,507.01
  5. Step 5: Solve for x
    x = 18,855,507.01/4,267.10
  6. Step 6: Final answer
    x = 4,418.81

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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.