Home / 6,939.30-9,572.49-4,144.26

Finding the Fourth Proportional to 6,939.30, 9,572.49 and 4,144.26

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Solution

The fourth proportional to 6,939.30, 9,572.49 and 4,144.26 is: 5,716.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.30 : 9,572.49 = 4,144.26 : x
  2. Step 2: Convert to fraction form
    6,939.30/9,572.49 = 4,144.26/x
  3. Step 3: Cross multiply
    6,939.30x = 9,572.49 × 4,144.26
  4. Step 4: Simplify right side
    6,939.30x = 39,670,887.41
  5. Step 5: Solve for x
    x = 39,670,887.41/6,939.30
  6. Step 6: Final answer
    x = 5,716.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.