Home / 5,108.22-7,657.77-2,185.02

Finding the Fourth Proportional to 5,108.22, 7,657.77 and 2,185.02

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Solution

The fourth proportional to 5,108.22, 7,657.77 and 2,185.02 is: 3,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.22 : 7,657.77 = 2,185.02 : x
  2. Step 2: Convert to fraction form
    5,108.22/7,657.77 = 2,185.02/x
  3. Step 3: Cross multiply
    5,108.22x = 7,657.77 × 2,185.02
  4. Step 4: Simplify right side
    5,108.22x = 16,732,380.61
  5. Step 5: Solve for x
    x = 16,732,380.61/5,108.22
  6. Step 6: Final answer
    x = 3,275.58

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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.