Home / 4,419.78-6,629.70-2,104.26

Finding the Fourth Proportional to 4,419.78, 6,629.70 and 2,104.26

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Solution

The fourth proportional to 4,419.78, 6,629.70 and 2,104.26 is: 3,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.78 : 6,629.70 = 2,104.26 : x
  2. Step 2: Convert to fraction form
    4,419.78/6,629.70 = 2,104.26/x
  3. Step 3: Cross multiply
    4,419.78x = 6,629.70 × 2,104.26
  4. Step 4: Simplify right side
    4,419.78x = 13,950,612.52
  5. Step 5: Solve for x
    x = 13,950,612.52/4,419.78
  6. Step 6: Final answer
    x = 3,156.40

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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.