Home / 5,690.34-7,853.07-3,172.62

Finding the Fourth Proportional to 5,690.34, 7,853.07 and 3,172.62

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Solution

The fourth proportional to 5,690.34, 7,853.07 and 3,172.62 is: 4,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.34 : 7,853.07 = 3,172.62 : x
  2. Step 2: Convert to fraction form
    5,690.34/7,853.07 = 3,172.62/x
  3. Step 3: Cross multiply
    5,690.34x = 7,853.07 × 3,172.62
  4. Step 4: Simplify right side
    5,690.34x = 24,914,806.94
  5. Step 5: Solve for x
    x = 24,914,806.94/5,690.34
  6. Step 6: Final answer
    x = 4,378.44

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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.