Home / 5,454.92-8,185.62-2,859.32

Finding the Fourth Proportional to 5,454.92, 8,185.62 and 2,859.32

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Solution

The fourth proportional to 5,454.92, 8,185.62 and 2,859.32 is: 4,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.92 : 8,185.62 = 2,859.32 : x
  2. Step 2: Convert to fraction form
    5,454.92/8,185.62 = 2,859.32/x
  3. Step 3: Cross multiply
    5,454.92x = 8,185.62 × 2,859.32
  4. Step 4: Simplify right side
    5,454.92x = 23,405,306.98
  5. Step 5: Solve for x
    x = 23,405,306.98/5,454.92
  6. Step 6: Final answer
    x = 4,290.68

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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.