Home / 4,907.15-7,359.68-1,619.47

Finding the Fourth Proportional to 4,907.15, 7,359.68 and 1,619.47

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Solution

The fourth proportional to 4,907.15, 7,359.68 and 1,619.47 is: 2,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.15 : 7,359.68 = 1,619.47 : x
  2. Step 2: Convert to fraction form
    4,907.15/7,359.68 = 1,619.47/x
  3. Step 3: Cross multiply
    4,907.15x = 7,359.68 × 1,619.47
  4. Step 4: Simplify right side
    4,907.15x = 11,918,780.97
  5. Step 5: Solve for x
    x = 11,918,780.97/4,907.15
  6. Step 6: Final answer
    x = 2,428.86

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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.