Home / 6,664.80-9,995.04-2,046.72

Finding the Fourth Proportional to 6,664.80, 9,995.04 and 2,046.72

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Solution

The fourth proportional to 6,664.80, 9,995.04 and 2,046.72 is: 3,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.80 : 9,995.04 = 2,046.72 : x
  2. Step 2: Convert to fraction form
    6,664.80/9,995.04 = 2,046.72/x
  3. Step 3: Cross multiply
    6,664.80x = 9,995.04 × 2,046.72
  4. Step 4: Simplify right side
    6,664.80x = 20,457,048.27
  5. Step 5: Solve for x
    x = 20,457,048.27/6,664.80
  6. Step 6: Final answer
    x = 3,069.42

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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.