Home / 6,619.13-9,929.10-2,002.13

Finding the Fourth Proportional to 6,619.13, 9,929.10 and 2,002.13

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Solution

The fourth proportional to 6,619.13, 9,929.10 and 2,002.13 is: 3,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.13 : 9,929.10 = 2,002.13 : x
  2. Step 2: Convert to fraction form
    6,619.13/9,929.10 = 2,002.13/x
  3. Step 3: Cross multiply
    6,619.13x = 9,929.10 × 2,002.13
  4. Step 4: Simplify right side
    6,619.13x = 19,879,299.34
  5. Step 5: Solve for x
    x = 19,879,299.34/6,619.13
  6. Step 6: Final answer
    x = 3,003.31

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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.