Home / 5,085.44-7,018.24-2,961.76

Finding the Fourth Proportional to 5,085.44, 7,018.24 and 2,961.76

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Solution

The fourth proportional to 5,085.44, 7,018.24 and 2,961.76 is: 4,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.44 : 7,018.24 = 2,961.76 : x
  2. Step 2: Convert to fraction form
    5,085.44/7,018.24 = 2,961.76/x
  3. Step 3: Cross multiply
    5,085.44x = 7,018.24 × 2,961.76
  4. Step 4: Simplify right side
    5,085.44x = 20,786,342.50
  5. Step 5: Solve for x
    x = 20,786,342.50/5,085.44
  6. Step 6: Final answer
    x = 4,087.42

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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.