Home / 4,429.80-6,644.70-3,738.60

Finding the Fourth Proportional to 4,429.80, 6,644.70 and 3,738.60

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Solution

The fourth proportional to 4,429.80, 6,644.70 and 3,738.60 is: 5,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.80 : 6,644.70 = 3,738.60 : x
  2. Step 2: Convert to fraction form
    4,429.80/6,644.70 = 3,738.60/x
  3. Step 3: Cross multiply
    4,429.80x = 6,644.70 × 3,738.60
  4. Step 4: Simplify right side
    4,429.80x = 24,841,875.42
  5. Step 5: Solve for x
    x = 24,841,875.42/4,429.80
  6. Step 6: Final answer
    x = 5,607.90

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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.