Home / 7,029.20-9,704.78-4,380.50

Finding the Fourth Proportional to 7,029.20, 9,704.78 and 4,380.50

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Solution

The fourth proportional to 7,029.20, 9,704.78 and 4,380.50 is: 6,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.20 : 9,704.78 = 4,380.50 : x
  2. Step 2: Convert to fraction form
    7,029.20/9,704.78 = 4,380.50/x
  3. Step 3: Cross multiply
    7,029.20x = 9,704.78 × 4,380.50
  4. Step 4: Simplify right side
    7,029.20x = 42,511,788.79
  5. Step 5: Solve for x
    x = 42,511,788.79/7,029.20
  6. Step 6: Final answer
    x = 6,047.88

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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.