Home / 4,899.39-6,761.10-2,774.86

Finding the Fourth Proportional to 4,899.39, 6,761.10 and 2,774.86

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Solution

The fourth proportional to 4,899.39, 6,761.10 and 2,774.86 is: 3,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.39 : 6,761.10 = 2,774.86 : x
  2. Step 2: Convert to fraction form
    4,899.39/6,761.10 = 2,774.86/x
  3. Step 3: Cross multiply
    4,899.39x = 6,761.10 × 2,774.86
  4. Step 4: Simplify right side
    4,899.39x = 18,761,105.95
  5. Step 5: Solve for x
    x = 18,761,105.95/4,899.39
  6. Step 6: Final answer
    x = 3,829.27

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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.