Home / 5,345.63-8,021.32-2,227.79

Finding the Fourth Proportional to 5,345.63, 8,021.32 and 2,227.79

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Solution

The fourth proportional to 5,345.63, 8,021.32 and 2,227.79 is: 3,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.63 : 8,021.32 = 2,227.79 : x
  2. Step 2: Convert to fraction form
    5,345.63/8,021.32 = 2,227.79/x
  3. Step 3: Cross multiply
    5,345.63x = 8,021.32 × 2,227.79
  4. Step 4: Simplify right side
    5,345.63x = 17,869,816.48
  5. Step 5: Solve for x
    x = 17,869,816.48/5,345.63
  6. Step 6: Final answer
    x = 3,342.88

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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.