Home / 4,265.70-6,387.03-2,209.38

Finding the Fourth Proportional to 4,265.70, 6,387.03 and 2,209.38

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Solution

The fourth proportional to 4,265.70, 6,387.03 and 2,209.38 is: 3,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.70 : 6,387.03 = 2,209.38 : x
  2. Step 2: Convert to fraction form
    4,265.70/6,387.03 = 2,209.38/x
  3. Step 3: Cross multiply
    4,265.70x = 6,387.03 × 2,209.38
  4. Step 4: Simplify right side
    4,265.70x = 14,111,376.34
  5. Step 5: Solve for x
    x = 14,111,376.34/4,265.70
  6. Step 6: Final answer
    x = 3,308.10

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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.