Home / 6,117.90-9,174.69-2,221.26

Finding the Fourth Proportional to 6,117.90, 9,174.69 and 2,221.26

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Solution

The fourth proportional to 6,117.90, 9,174.69 and 2,221.26 is: 3,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.90 : 9,174.69 = 2,221.26 : x
  2. Step 2: Convert to fraction form
    6,117.90/9,174.69 = 2,221.26/x
  3. Step 3: Cross multiply
    6,117.90x = 9,174.69 × 2,221.26
  4. Step 4: Simplify right side
    6,117.90x = 20,379,371.91
  5. Step 5: Solve for x
    x = 20,379,371.91/6,117.90
  6. Step 6: Final answer
    x = 3,331.11

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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.