Home / 7,716.19-11,574.26-2,785.83

Finding the Fourth Proportional to 7,716.19, 11,574.26 and 2,785.83

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Solution

The fourth proportional to 7,716.19, 11,574.26 and 2,785.83 is: 4,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.19 : 11,574.26 = 2,785.83 : x
  2. Step 2: Convert to fraction form
    7,716.19/11,574.26 = 2,785.83/x
  3. Step 3: Cross multiply
    7,716.19x = 11,574.26 × 2,785.83
  4. Step 4: Simplify right side
    7,716.19x = 32,243,862.86
  5. Step 5: Solve for x
    x = 32,243,862.86/7,716.19
  6. Step 6: Final answer
    x = 4,178.73

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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.