Home / 7,976.07-11,013.44-5,144.85

Finding the Fourth Proportional to 7,976.07, 11,013.44 and 5,144.85

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Solution

The fourth proportional to 7,976.07, 11,013.44 and 5,144.85 is: 7,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.07 : 11,013.44 = 5,144.85 : x
  2. Step 2: Convert to fraction form
    7,976.07/11,013.44 = 5,144.85/x
  3. Step 3: Cross multiply
    7,976.07x = 11,013.44 × 5,144.85
  4. Step 4: Simplify right side
    7,976.07x = 56,662,471.06
  5. Step 5: Solve for x
    x = 56,662,471.06/7,976.07
  6. Step 6: Final answer
    x = 7,104.06

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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.