Home / 4,539.45-6,809.18-1,252.80

Finding the Fourth Proportional to 4,539.45, 6,809.18 and 1,252.80

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Solution

The fourth proportional to 4,539.45, 6,809.18 and 1,252.80 is: 1,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,539.45 : 6,809.18 = 1,252.80 : x
  2. Step 2: Convert to fraction form
    4,539.45/6,809.18 = 1,252.80/x
  3. Step 3: Cross multiply
    4,539.45x = 6,809.18 × 1,252.80
  4. Step 4: Simplify right side
    4,539.45x = 8,530,534.44
  5. Step 5: Solve for x
    x = 8,530,534.44/4,539.45
  6. Step 6: Final answer
    x = 1,879.20

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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.