Home / 7,029.30-9,700.35-4,198.50

Finding the Fourth Proportional to 7,029.30, 9,700.35 and 4,198.50

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Solution

The fourth proportional to 7,029.30, 9,700.35 and 4,198.50 is: 5,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.30 : 9,700.35 = 4,198.50 : x
  2. Step 2: Convert to fraction form
    7,029.30/9,700.35 = 4,198.50/x
  3. Step 3: Cross multiply
    7,029.30x = 9,700.35 × 4,198.50
  4. Step 4: Simplify right side
    7,029.30x = 40,726,919.48
  5. Step 5: Solve for x
    x = 40,726,919.48/7,029.30
  6. Step 6: Final answer
    x = 5,793.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.