Home / 4,949.20-6,830.58-2,853.28

Finding the Fourth Proportional to 4,949.20, 6,830.58 and 2,853.28

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Solution

The fourth proportional to 4,949.20, 6,830.58 and 2,853.28 is: 3,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.20 : 6,830.58 = 2,853.28 : x
  2. Step 2: Convert to fraction form
    4,949.20/6,830.58 = 2,853.28/x
  3. Step 3: Cross multiply
    4,949.20x = 6,830.58 × 2,853.28
  4. Step 4: Simplify right side
    4,949.20x = 19,489,557.30
  5. Step 5: Solve for x
    x = 19,489,557.30/4,949.20
  6. Step 6: Final answer
    x = 3,937.92

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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.