Home / 4,949.78-6,830.50-2,959.16

Finding the Fourth Proportional to 4,949.78, 6,830.50 and 2,959.16

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Solution

The fourth proportional to 4,949.78, 6,830.50 and 2,959.16 is: 4,083.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.78 : 6,830.50 = 2,959.16 : x
  2. Step 2: Convert to fraction form
    4,949.78/6,830.50 = 2,959.16/x
  3. Step 3: Cross multiply
    4,949.78x = 6,830.50 × 2,959.16
  4. Step 4: Simplify right side
    4,949.78x = 20,212,527.58
  5. Step 5: Solve for x
    x = 20,212,527.58/4,949.78
  6. Step 6: Final answer
    x = 4,083.52

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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.