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Finding the Fourth Proportional to 7,957.58, 11,936.73 and 2,411.72

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Solution

The fourth proportional to 7,957.58, 11,936.73 and 2,411.72 is: 3,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.58 : 11,936.73 = 2,411.72 : x
  2. Step 2: Convert to fraction form
    7,957.58/11,936.73 = 2,411.72/x
  3. Step 3: Cross multiply
    7,957.58x = 11,936.73 × 2,411.72
  4. Step 4: Simplify right side
    7,957.58x = 28,788,050.48
  5. Step 5: Solve for x
    x = 28,788,050.48/7,957.58
  6. Step 6: Final answer
    x = 3,617.69

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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.