Home / 4,434.40-6,644.40-3,815.20

Finding the Fourth Proportional to 4,434.40, 6,644.40 and 3,815.20

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Solution

The fourth proportional to 4,434.40, 6,644.40 and 3,815.20 is: 5,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,434.40 : 6,644.40 = 3,815.20 : x
  2. Step 2: Convert to fraction form
    4,434.40/6,644.40 = 3,815.20/x
  3. Step 3: Cross multiply
    4,434.40x = 6,644.40 × 3,815.20
  4. Step 4: Simplify right side
    4,434.40x = 25,349,714.88
  5. Step 5: Solve for x
    x = 25,349,714.88/4,434.40
  6. Step 6: Final answer
    x = 5,716.61

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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.