Home / 6,668.21-9,998.98-2,224.31

Finding the Fourth Proportional to 6,668.21, 9,998.98 and 2,224.31

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Solution

The fourth proportional to 6,668.21, 9,998.98 and 2,224.31 is: 3,335.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.21 : 9,998.98 = 2,224.31 : x
  2. Step 2: Convert to fraction form
    6,668.21/9,998.98 = 2,224.31/x
  3. Step 3: Cross multiply
    6,668.21x = 9,998.98 × 2,224.31
  4. Step 4: Simplify right side
    6,668.21x = 22,240,775.65
  5. Step 5: Solve for x
    x = 22,240,775.65/6,668.21
  6. Step 6: Final answer
    x = 3,335.34

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1.5x scale

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.