Home / 7,839.25-11,739.37-5,488.24

Finding the Fourth Proportional to 7,839.25, 11,739.37 and 5,488.24

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Solution

The fourth proportional to 7,839.25, 11,739.37 and 5,488.24 is: 8,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.25 : 11,739.37 = 5,488.24 : x
  2. Step 2: Convert to fraction form
    7,839.25/11,739.37 = 5,488.24/x
  3. Step 3: Cross multiply
    7,839.25x = 11,739.37 × 5,488.24
  4. Step 4: Simplify right side
    7,839.25x = 64,428,480.01
  5. Step 5: Solve for x
    x = 64,428,480.01/7,839.25
  6. Step 6: Final answer
    x = 8,218.70

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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.