Home / 4,429.65-6,644.36-2,089.09

Finding the Fourth Proportional to 4,429.65, 6,644.36 and 2,089.09

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Solution

The fourth proportional to 4,429.65, 6,644.36 and 2,089.09 is: 3,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.65 : 6,644.36 = 2,089.09 : x
  2. Step 2: Convert to fraction form
    4,429.65/6,644.36 = 2,089.09/x
  3. Step 3: Cross multiply
    4,429.65x = 6,644.36 × 2,089.09
  4. Step 4: Simplify right side
    4,429.65x = 13,880,679.56
  5. Step 5: Solve for x
    x = 13,880,679.56/4,429.65
  6. Step 6: Final answer
    x = 3,133.58

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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.