Home / 6,620.08-9,929.04-2,002

Finding the Fourth Proportional to 6,620.08, 9,929.04 and 2,002

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Solution

The fourth proportional to 6,620.08, 9,929.04 and 2,002 is: 3,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620.08 : 9,929.04 = 2,002 : x
  2. Step 2: Convert to fraction form
    6,620.08/9,929.04 = 2,002/x
  3. Step 3: Cross multiply
    6,620.08x = 9,929.04 × 2,002
  4. Step 4: Simplify right side
    6,620.08x = 19,877,938.08
  5. Step 5: Solve for x
    x = 19,877,938.08/6,620.08
  6. Step 6: Final answer
    x = 3,002.67

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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.