Home / 7,338.30-11,004.62-4,220.61

Finding the Fourth Proportional to 7,338.30, 11,004.62 and 4,220.61

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Solution

The fourth proportional to 7,338.30, 11,004.62 and 4,220.61 is: 6,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338.30 : 11,004.62 = 4,220.61 : x
  2. Step 2: Convert to fraction form
    7,338.30/11,004.62 = 4,220.61/x
  3. Step 3: Cross multiply
    7,338.30x = 11,004.62 × 4,220.61
  4. Step 4: Simplify right side
    7,338.30x = 46,446,188.12
  5. Step 5: Solve for x
    x = 46,446,188.12/7,338.30
  6. Step 6: Final answer
    x = 6,329.28

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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.