Home / 7,767.29-11,650.77-1,923.81

Finding the Fourth Proportional to 7,767.29, 11,650.77 and 1,923.81

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Solution

The fourth proportional to 7,767.29, 11,650.77 and 1,923.81 is: 2,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.29 : 11,650.77 = 1,923.81 : x
  2. Step 2: Convert to fraction form
    7,767.29/11,650.77 = 1,923.81/x
  3. Step 3: Cross multiply
    7,767.29x = 11,650.77 × 1,923.81
  4. Step 4: Simplify right side
    7,767.29x = 22,413,867.83
  5. Step 5: Solve for x
    x = 22,413,867.83/7,767.29
  6. Step 6: Final answer
    x = 2,885.68

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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.