Home / 6,620.96-9,930.35-2,002.88

Finding the Fourth Proportional to 6,620.96, 9,930.35 and 2,002.88

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Solution

The fourth proportional to 6,620.96, 9,930.35 and 2,002.88 is: 3,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.96 : 9,930.35 = 2,002.88 : x
  2. Step 2: Convert to fraction form
    6,620.96/9,930.35 = 2,002.88/x
  3. Step 3: Cross multiply
    6,620.96x = 9,930.35 × 2,002.88
  4. Step 4: Simplify right side
    6,620.96x = 19,889,254.76
  5. Step 5: Solve for x
    x = 19,889,254.76/6,620.96
  6. Step 6: Final answer
    x = 3,003.99

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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.