Home / 4,490.33-6,769.09-4,189.26

Finding the Fourth Proportional to 4,490.33, 6,769.09 and 4,189.26

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Solution

The fourth proportional to 4,490.33, 6,769.09 and 4,189.26 is: 6,315.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.33 : 6,769.09 = 4,189.26 : x
  2. Step 2: Convert to fraction form
    4,490.33/6,769.09 = 4,189.26/x
  3. Step 3: Cross multiply
    4,490.33x = 6,769.09 × 4,189.26
  4. Step 4: Simplify right side
    4,490.33x = 28,357,508.59
  5. Step 5: Solve for x
    x = 28,357,508.59/4,490.33
  6. Step 6: Final answer
    x = 6,315.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.