Home / 4,759.80-7,134.18-2,813.64

Finding the Fourth Proportional to 4,759.80, 7,134.18 and 2,813.64

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Solution

The fourth proportional to 4,759.80, 7,134.18 and 2,813.64 is: 4,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.80 : 7,134.18 = 2,813.64 : x
  2. Step 2: Convert to fraction form
    4,759.80/7,134.18 = 2,813.64/x
  3. Step 3: Cross multiply
    4,759.80x = 7,134.18 × 2,813.64
  4. Step 4: Simplify right side
    4,759.80x = 20,073,014.22
  5. Step 5: Solve for x
    x = 20,073,014.22/4,759.80
  6. Step 6: Final answer
    x = 4,217.20

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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.