Home / 4,429.78-6,644.83-1,507.71

Finding the Fourth Proportional to 4,429.78, 6,644.83 and 1,507.71

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Solution

The fourth proportional to 4,429.78, 6,644.83 and 1,507.71 is: 2,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.78 : 6,644.83 = 1,507.71 : x
  2. Step 2: Convert to fraction form
    4,429.78/6,644.83 = 1,507.71/x
  3. Step 3: Cross multiply
    4,429.78x = 6,644.83 × 1,507.71
  4. Step 4: Simplify right side
    4,429.78x = 10,018,439.65
  5. Step 5: Solve for x
    x = 10,018,439.65/4,429.78
  6. Step 6: Final answer
    x = 2,261.61

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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.