Home / 4,639.48-6,949.95-2,789.58

Finding the Fourth Proportional to 4,639.48, 6,949.95 and 2,789.58

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Solution

The fourth proportional to 4,639.48, 6,949.95 and 2,789.58 is: 4,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.48 : 6,949.95 = 2,789.58 : x
  2. Step 2: Convert to fraction form
    4,639.48/6,949.95 = 2,789.58/x
  3. Step 3: Cross multiply
    4,639.48x = 6,949.95 × 2,789.58
  4. Step 4: Simplify right side
    4,639.48x = 19,387,427.57
  5. Step 5: Solve for x
    x = 19,387,427.57/4,639.48
  6. Step 6: Final answer
    x = 4,178.79

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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.