Home / 6,619.26-9,909.45-5,222.82

Finding the Fourth Proportional to 6,619.26, 9,909.45 and 5,222.82

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Solution

The fourth proportional to 6,619.26, 9,909.45 and 5,222.82 is: 7,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.26 : 9,909.45 = 5,222.82 : x
  2. Step 2: Convert to fraction form
    6,619.26/9,909.45 = 5,222.82/x
  3. Step 3: Cross multiply
    6,619.26x = 9,909.45 × 5,222.82
  4. Step 4: Simplify right side
    6,619.26x = 51,755,273.65
  5. Step 5: Solve for x
    x = 51,755,273.65/6,619.26
  6. Step 6: Final answer
    x = 7,818.89

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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.