Home / 5,179.45-7,754.21-4,645.31

Finding the Fourth Proportional to 5,179.45, 7,754.21 and 4,645.31

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Solution

The fourth proportional to 5,179.45, 7,754.21 and 4,645.31 is: 6,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.45 : 7,754.21 = 4,645.31 : x
  2. Step 2: Convert to fraction form
    5,179.45/7,754.21 = 4,645.31/x
  3. Step 3: Cross multiply
    5,179.45x = 7,754.21 × 4,645.31
  4. Step 4: Simplify right side
    5,179.45x = 36,020,709.26
  5. Step 5: Solve for x
    x = 36,020,709.26/5,179.45
  6. Step 6: Final answer
    x = 6,954.54

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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.