Home / 5,717-7,890.47-3,359.14

Finding the Fourth Proportional to 5,717, 7,890.47 and 3,359.14

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Solution

The fourth proportional to 5,717, 7,890.47 and 3,359.14 is: 4,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717 : 7,890.47 = 3,359.14 : x
  2. Step 2: Convert to fraction form
    5,717/7,890.47 = 3,359.14/x
  3. Step 3: Cross multiply
    5,717x = 7,890.47 × 3,359.14
  4. Step 4: Simplify right side
    5,717x = 26,505,193.40
  5. Step 5: Solve for x
    x = 26,505,193.40/5,717
  6. Step 6: Final answer
    x = 4,636.21

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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.