Home / 6,179.80-9,269.88-2,666.20

Finding the Fourth Proportional to 6,179.80, 9,269.88 and 2,666.20

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Solution

The fourth proportional to 6,179.80, 9,269.88 and 2,666.20 is: 3,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.80 : 9,269.88 = 2,666.20 : x
  2. Step 2: Convert to fraction form
    6,179.80/9,269.88 = 2,666.20/x
  3. Step 3: Cross multiply
    6,179.80x = 9,269.88 × 2,666.20
  4. Step 4: Simplify right side
    6,179.80x = 24,715,354.06
  5. Step 5: Solve for x
    x = 24,715,354.06/6,179.80
  6. Step 6: Final answer
    x = 3,999.38

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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.