Home / 6,623.97-9,929.47-3,163.65

Finding the Fourth Proportional to 6,623.97, 9,929.47 and 3,163.65

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Solution

The fourth proportional to 6,623.97, 9,929.47 and 3,163.65 is: 4,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.97 : 9,929.47 = 3,163.65 : x
  2. Step 2: Convert to fraction form
    6,623.97/9,929.47 = 3,163.65/x
  3. Step 3: Cross multiply
    6,623.97x = 9,929.47 × 3,163.65
  4. Step 4: Simplify right side
    6,623.97x = 31,413,367.77
  5. Step 5: Solve for x
    x = 31,413,367.77/6,623.97
  6. Step 6: Final answer
    x = 4,742.38

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1.5x scale

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.