Home / 4,108.80-6,164.20-1,187.04

Finding the Fourth Proportional to 4,108.80, 6,164.20 and 1,187.04

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Solution

The fourth proportional to 4,108.80, 6,164.20 and 1,187.04 is: 1,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.80 : 6,164.20 = 1,187.04 : x
  2. Step 2: Convert to fraction form
    4,108.80/6,164.20 = 1,187.04/x
  3. Step 3: Cross multiply
    4,108.80x = 6,164.20 × 1,187.04
  4. Step 4: Simplify right side
    4,108.80x = 7,317,151.97
  5. Step 5: Solve for x
    x = 7,317,151.97/4,108.80
  6. Step 6: Final answer
    x = 1,780.85

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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.