Home / 4,434.60-6,644.70-2,788.20

Finding the Fourth Proportional to 4,434.60, 6,644.70 and 2,788.20

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Solution

The fourth proportional to 4,434.60, 6,644.70 and 2,788.20 is: 4,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,434.60 : 6,644.70 = 2,788.20 : x
  2. Step 2: Convert to fraction form
    4,434.60/6,644.70 = 2,788.20/x
  3. Step 3: Cross multiply
    4,434.60x = 6,644.70 × 2,788.20
  4. Step 4: Simplify right side
    4,434.60x = 18,526,752.54
  5. Step 5: Solve for x
    x = 18,526,752.54/4,434.60
  6. Step 6: Final answer
    x = 4,177.77

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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.