Home / 8,721.72-13,056.66-5,248.44

Finding the Fourth Proportional to 8,721.72, 13,056.66 and 5,248.44

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Solution

The fourth proportional to 8,721.72, 13,056.66 and 5,248.44 is: 7,857.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.72 : 13,056.66 = 5,248.44 : x
  2. Step 2: Convert to fraction form
    8,721.72/13,056.66 = 5,248.44/x
  3. Step 3: Cross multiply
    8,721.72x = 13,056.66 × 5,248.44
  4. Step 4: Simplify right side
    8,721.72x = 68,527,096.61
  5. Step 5: Solve for x
    x = 68,527,096.61/8,721.72
  6. Step 6: Final answer
    x = 7,857.06

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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.