Home / 5,910.08-8,155.91-3,221.30

Finding the Fourth Proportional to 5,910.08, 8,155.91 and 3,221.30

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Solution

The fourth proportional to 5,910.08, 8,155.91 and 3,221.30 is: 4,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.08 : 8,155.91 = 3,221.30 : x
  2. Step 2: Convert to fraction form
    5,910.08/8,155.91 = 3,221.30/x
  3. Step 3: Cross multiply
    5,910.08x = 8,155.91 × 3,221.30
  4. Step 4: Simplify right side
    5,910.08x = 26,272,632.88
  5. Step 5: Solve for x
    x = 26,272,632.88/5,910.08
  6. Step 6: Final answer
    x = 4,445.39

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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.