Home / 4,850.21-6,690.78-3,079.95

Finding the Fourth Proportional to 4,850.21, 6,690.78 and 3,079.95

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Solution

The fourth proportional to 4,850.21, 6,690.78 and 3,079.95 is: 4,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.21 : 6,690.78 = 3,079.95 : x
  2. Step 2: Convert to fraction form
    4,850.21/6,690.78 = 3,079.95/x
  3. Step 3: Cross multiply
    4,850.21x = 6,690.78 × 3,079.95
  4. Step 4: Simplify right side
    4,850.21x = 20,607,267.86
  5. Step 5: Solve for x
    x = 20,607,267.86/4,850.21
  6. Step 6: Final answer
    x = 4,248.74

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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.