Home / 4,821.39-6,648.08-3,934.44

Finding the Fourth Proportional to 4,821.39, 6,648.08 and 3,934.44

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Solution

The fourth proportional to 4,821.39, 6,648.08 and 3,934.44 is: 5,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.39 : 6,648.08 = 3,934.44 : x
  2. Step 2: Convert to fraction form
    4,821.39/6,648.08 = 3,934.44/x
  3. Step 3: Cross multiply
    4,821.39x = 6,648.08 × 3,934.44
  4. Step 4: Simplify right side
    4,821.39x = 26,156,452.20
  5. Step 5: Solve for x
    x = 26,156,452.20/4,821.39
  6. Step 6: Final answer
    x = 5,425.09

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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.