Home / 9,721.62-14,580.27-3,876.66

Finding the Fourth Proportional to 9,721.62, 14,580.27 and 3,876.66

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Solution

The fourth proportional to 9,721.62, 14,580.27 and 3,876.66 is: 5,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.62 : 14,580.27 = 3,876.66 : x
  2. Step 2: Convert to fraction form
    9,721.62/14,580.27 = 3,876.66/x
  3. Step 3: Cross multiply
    9,721.62x = 14,580.27 × 3,876.66
  4. Step 4: Simplify right side
    9,721.62x = 56,522,749.50
  5. Step 5: Solve for x
    x = 56,522,749.50/9,721.62
  6. Step 6: Final answer
    x = 5,814.13

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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.