Home / 7,893.48-11,838.60-3,731.72

Finding the Fourth Proportional to 7,893.48, 11,838.60 and 3,731.72

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Solution

The fourth proportional to 7,893.48, 11,838.60 and 3,731.72 is: 5,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.48 : 11,838.60 = 3,731.72 : x
  2. Step 2: Convert to fraction form
    7,893.48/11,838.60 = 3,731.72/x
  3. Step 3: Cross multiply
    7,893.48x = 11,838.60 × 3,731.72
  4. Step 4: Simplify right side
    7,893.48x = 44,178,340.39
  5. Step 5: Solve for x
    x = 44,178,340.39/7,893.48
  6. Step 6: Final answer
    x = 5,596.81

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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.