Home / 4,909.80-7,364.70-3,455.44

Finding the Fourth Proportional to 4,909.80, 7,364.70 and 3,455.44

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Solution

The fourth proportional to 4,909.80, 7,364.70 and 3,455.44 is: 5,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.80 : 7,364.70 = 3,455.44 : x
  2. Step 2: Convert to fraction form
    4,909.80/7,364.70 = 3,455.44/x
  3. Step 3: Cross multiply
    4,909.80x = 7,364.70 × 3,455.44
  4. Step 4: Simplify right side
    4,909.80x = 25,448,278.97
  5. Step 5: Solve for x
    x = 25,448,278.97/4,909.80
  6. Step 6: Final answer
    x = 5,183.16

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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.