Home / 5,163.71-7,124.32-2,924.77

Finding the Fourth Proportional to 5,163.71, 7,124.32 and 2,924.77

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Solution

The fourth proportional to 5,163.71, 7,124.32 and 2,924.77 is: 4,035.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.71 : 7,124.32 = 2,924.77 : x
  2. Step 2: Convert to fraction form
    5,163.71/7,124.32 = 2,924.77/x
  3. Step 3: Cross multiply
    5,163.71x = 7,124.32 × 2,924.77
  4. Step 4: Simplify right side
    5,163.71x = 20,837,012.80
  5. Step 5: Solve for x
    x = 20,837,012.80/5,163.71
  6. Step 6: Final answer
    x = 4,035.28

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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.