Home / 5,317.71-7,976.94-1,806.29

Finding the Fourth Proportional to 5,317.71, 7,976.94 and 1,806.29

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Solution

The fourth proportional to 5,317.71, 7,976.94 and 1,806.29 is: 2,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.71 : 7,976.94 = 1,806.29 : x
  2. Step 2: Convert to fraction form
    5,317.71/7,976.94 = 1,806.29/x
  3. Step 3: Cross multiply
    5,317.71x = 7,976.94 × 1,806.29
  4. Step 4: Simplify right side
    5,317.71x = 14,408,656.98
  5. Step 5: Solve for x
    x = 14,408,656.98/5,317.71
  6. Step 6: Final answer
    x = 2,709.56

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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.