Home / 7,828.41-11,734.40-3,664.91

Finding the Fourth Proportional to 7,828.41, 11,734.40 and 3,664.91

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Solution

The fourth proportional to 7,828.41, 11,734.40 and 3,664.91 is: 5,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.41 : 11,734.40 = 3,664.91 : x
  2. Step 2: Convert to fraction form
    7,828.41/11,734.40 = 3,664.91/x
  3. Step 3: Cross multiply
    7,828.41x = 11,734.40 × 3,664.91
  4. Step 4: Simplify right side
    7,828.41x = 43,005,558.40
  5. Step 5: Solve for x
    x = 43,005,558.40/7,828.41
  6. Step 6: Final answer
    x = 5,493.52

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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.