Home / 7,726.36-11,585.67-3,777.92

Finding the Fourth Proportional to 7,726.36, 11,585.67 and 3,777.92

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Solution

The fourth proportional to 7,726.36, 11,585.67 and 3,777.92 is: 5,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.36 : 11,585.67 = 3,777.92 : x
  2. Step 2: Convert to fraction form
    7,726.36/11,585.67 = 3,777.92/x
  3. Step 3: Cross multiply
    7,726.36x = 11,585.67 × 3,777.92
  4. Step 4: Simplify right side
    7,726.36x = 43,769,734.41
  5. Step 5: Solve for x
    x = 43,769,734.41/7,726.36
  6. Step 6: Final answer
    x = 5,664.99

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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.