Home / 5,007.40-6,907.90-3,239.58

Finding the Fourth Proportional to 5,007.40, 6,907.90 and 3,239.58

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Solution

The fourth proportional to 5,007.40, 6,907.90 and 3,239.58 is: 4,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.40 : 6,907.90 = 3,239.58 : x
  2. Step 2: Convert to fraction form
    5,007.40/6,907.90 = 3,239.58/x
  3. Step 3: Cross multiply
    5,007.40x = 6,907.90 × 3,239.58
  4. Step 4: Simplify right side
    5,007.40x = 22,378,694.68
  5. Step 5: Solve for x
    x = 22,378,694.68/5,007.40
  6. Step 6: Final answer
    x = 4,469.12

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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.