Home / 4,101.84-6,155.49-1,910.79

Finding the Fourth Proportional to 4,101.84, 6,155.49 and 1,910.79

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Solution

The fourth proportional to 4,101.84, 6,155.49 and 1,910.79 is: 2,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.84 : 6,155.49 = 1,910.79 : x
  2. Step 2: Convert to fraction form
    4,101.84/6,155.49 = 1,910.79/x
  3. Step 3: Cross multiply
    4,101.84x = 6,155.49 × 1,910.79
  4. Step 4: Simplify right side
    4,101.84x = 11,761,855.90
  5. Step 5: Solve for x
    x = 11,761,855.90/4,101.84
  6. Step 6: Final answer
    x = 2,867.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.