Home / 4,949.09-6,830.62-2,959.86

Finding the Fourth Proportional to 4,949.09, 6,830.62 and 2,959.86

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Solution

The fourth proportional to 4,949.09, 6,830.62 and 2,959.86 is: 4,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.09 : 6,830.62 = 2,959.86 : x
  2. Step 2: Convert to fraction form
    4,949.09/6,830.62 = 2,959.86/x
  3. Step 3: Cross multiply
    4,949.09x = 6,830.62 × 2,959.86
  4. Step 4: Simplify right side
    4,949.09x = 20,217,671.51
  5. Step 5: Solve for x
    x = 20,217,671.51/4,949.09
  6. Step 6: Final answer
    x = 4,085.13

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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.