Home / 6,179.48-9,265.12-3,987.02

Finding the Fourth Proportional to 6,179.48, 9,265.12 and 3,987.02

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Solution

The fourth proportional to 6,179.48, 9,265.12 and 3,987.02 is: 5,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.48 : 9,265.12 = 3,987.02 : x
  2. Step 2: Convert to fraction form
    6,179.48/9,265.12 = 3,987.02/x
  3. Step 3: Cross multiply
    6,179.48x = 9,265.12 × 3,987.02
  4. Step 4: Simplify right side
    6,179.48x = 36,940,162.45
  5. Step 5: Solve for x
    x = 36,940,162.45/6,179.48
  6. Step 6: Final answer
    x = 5,977.87

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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.