Home / 4,874.83-6,729.39-3,108.76

Finding the Fourth Proportional to 4,874.83, 6,729.39 and 3,108.76

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Solution

The fourth proportional to 4,874.83, 6,729.39 and 3,108.76 is: 4,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.83 : 6,729.39 = 3,108.76 : x
  2. Step 2: Convert to fraction form
    4,874.83/6,729.39 = 3,108.76/x
  3. Step 3: Cross multiply
    4,874.83x = 6,729.39 × 3,108.76
  4. Step 4: Simplify right side
    4,874.83x = 20,920,058.46
  5. Step 5: Solve for x
    x = 20,920,058.46/4,874.83
  6. Step 6: Final answer
    x = 4,291.44

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Half scale
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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.