Home / 5,910.13-8,155.88-3,257.78

Finding the Fourth Proportional to 5,910.13, 8,155.88 and 3,257.78

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Solution

The fourth proportional to 5,910.13, 8,155.88 and 3,257.78 is: 4,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.13 : 8,155.88 = 3,257.78 : x
  2. Step 2: Convert to fraction form
    5,910.13/8,155.88 = 3,257.78/x
  3. Step 3: Cross multiply
    5,910.13x = 8,155.88 × 3,257.78
  4. Step 4: Simplify right side
    5,910.13x = 26,570,079.06
  5. Step 5: Solve for x
    x = 26,570,079.06/5,910.13
  6. Step 6: Final answer
    x = 4,495.69

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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.