Home / 6,409.20-8,844.52-3,614.72

Finding the Fourth Proportional to 6,409.20, 8,844.52 and 3,614.72

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Solution

The fourth proportional to 6,409.20, 8,844.52 and 3,614.72 is: 4,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.20 : 8,844.52 = 3,614.72 : x
  2. Step 2: Convert to fraction form
    6,409.20/8,844.52 = 3,614.72/x
  3. Step 3: Cross multiply
    6,409.20x = 8,844.52 × 3,614.72
  4. Step 4: Simplify right side
    6,409.20x = 31,970,463.33
  5. Step 5: Solve for x
    x = 31,970,463.33/6,409.20
  6. Step 6: Final answer
    x = 4,988.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.