Home / 7,908.48-11,869.90-4,213.86

Finding the Fourth Proportional to 7,908.48, 11,869.90 and 4,213.86

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Solution

The fourth proportional to 7,908.48, 11,869.90 and 4,213.86 is: 6,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.48 : 11,869.90 = 4,213.86 : x
  2. Step 2: Convert to fraction form
    7,908.48/11,869.90 = 4,213.86/x
  3. Step 3: Cross multiply
    7,908.48x = 11,869.90 × 4,213.86
  4. Step 4: Simplify right side
    7,908.48x = 50,018,096.81
  5. Step 5: Solve for x
    x = 50,018,096.81/7,908.48
  6. Step 6: Final answer
    x = 6,324.62

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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.