Home / 4,949.90-6,830.70-2,959.43

Finding the Fourth Proportional to 4,949.90, 6,830.70 and 2,959.43

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Solution

The fourth proportional to 4,949.90, 6,830.70 and 2,959.43 is: 4,083.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.90 : 6,830.70 = 2,959.43 : x
  2. Step 2: Convert to fraction form
    4,949.90/6,830.70 = 2,959.43/x
  3. Step 3: Cross multiply
    4,949.90x = 6,830.70 × 2,959.43
  4. Step 4: Simplify right side
    4,949.90x = 20,214,933.25
  5. Step 5: Solve for x
    x = 20,214,933.25/4,949.90
  6. Step 6: Final answer
    x = 4,083.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.