Home / 6,675.21-10,015.79-2,979.72

Finding the Fourth Proportional to 6,675.21, 10,015.79 and 2,979.72

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Solution

The fourth proportional to 6,675.21, 10,015.79 and 2,979.72 is: 4,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,675.21 : 10,015.79 = 2,979.72 : x
  2. Step 2: Convert to fraction form
    6,675.21/10,015.79 = 2,979.72/x
  3. Step 3: Cross multiply
    6,675.21x = 10,015.79 × 2,979.72
  4. Step 4: Simplify right side
    6,675.21x = 29,844,234.88
  5. Step 5: Solve for x
    x = 29,844,234.88/6,675.21
  6. Step 6: Final answer
    x = 4,470.91

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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.