Home / 6,939.48-9,575.52-3,954.74

Finding the Fourth Proportional to 6,939.48, 9,575.52 and 3,954.74

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Solution

The fourth proportional to 6,939.48, 9,575.52 and 3,954.74 is: 5,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.48 : 9,575.52 = 3,954.74 : x
  2. Step 2: Convert to fraction form
    6,939.48/9,575.52 = 3,954.74/x
  3. Step 3: Cross multiply
    6,939.48x = 9,575.52 × 3,954.74
  4. Step 4: Simplify right side
    6,939.48x = 37,868,644.09
  5. Step 5: Solve for x
    x = 37,868,644.09/6,939.48
  6. Step 6: Final answer
    x = 5,456.99

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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.