Home / 4,429.70-6,644.55-2,788.10

Finding the Fourth Proportional to 4,429.70, 6,644.55 and 2,788.10

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Solution

The fourth proportional to 4,429.70, 6,644.55 and 2,788.10 is: 4,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.70 : 6,644.55 = 2,788.10 : x
  2. Step 2: Convert to fraction form
    4,429.70/6,644.55 = 2,788.10/x
  3. Step 3: Cross multiply
    4,429.70x = 6,644.55 × 2,788.10
  4. Step 4: Simplify right side
    4,429.70x = 18,525,669.86
  5. Step 5: Solve for x
    x = 18,525,669.86/4,429.70
  6. Step 6: Final answer
    x = 4,182.15

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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.