Home / 4,112.58-5,675.82-2,620.56

Finding the Fourth Proportional to 4,112.58, 5,675.82 and 2,620.56

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Solution

The fourth proportional to 4,112.58, 5,675.82 and 2,620.56 is: 3,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.58 : 5,675.82 = 2,620.56 : x
  2. Step 2: Convert to fraction form
    4,112.58/5,675.82 = 2,620.56/x
  3. Step 3: Cross multiply
    4,112.58x = 5,675.82 × 2,620.56
  4. Step 4: Simplify right side
    4,112.58x = 14,873,826.86
  5. Step 5: Solve for x
    x = 14,873,826.86/4,112.58
  6. Step 6: Final answer
    x = 3,616.67

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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.