Home / 4,910.03-6,774.69-2,785.10

Finding the Fourth Proportional to 4,910.03, 6,774.69 and 2,785.10

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Solution

The fourth proportional to 4,910.03, 6,774.69 and 2,785.10 is: 3,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.03 : 6,774.69 = 2,785.10 : x
  2. Step 2: Convert to fraction form
    4,910.03/6,774.69 = 2,785.10/x
  3. Step 3: Cross multiply
    4,910.03x = 6,774.69 × 2,785.10
  4. Step 4: Simplify right side
    4,910.03x = 18,868,155.25
  5. Step 5: Solve for x
    x = 18,868,155.25/4,910.03
  6. Step 6: Final answer
    x = 3,842.78

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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.