Home / 6,108.80-9,155.10-3,186.32

Finding the Fourth Proportional to 6,108.80, 9,155.10 and 3,186.32

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Solution

The fourth proportional to 6,108.80, 9,155.10 and 3,186.32 is: 4,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.80 : 9,155.10 = 3,186.32 : x
  2. Step 2: Convert to fraction form
    6,108.80/9,155.10 = 3,186.32/x
  3. Step 3: Cross multiply
    6,108.80x = 9,155.10 × 3,186.32
  4. Step 4: Simplify right side
    6,108.80x = 29,171,078.23
  5. Step 5: Solve for x
    x = 29,171,078.23/6,108.80
  6. Step 6: Final answer
    x = 4,775.26

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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.