Home / 4,857.24-7,286.58-1,779

Finding the Fourth Proportional to 4,857.24, 7,286.58 and 1,779

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Solution

The fourth proportional to 4,857.24, 7,286.58 and 1,779 is: 2,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.24 : 7,286.58 = 1,779 : x
  2. Step 2: Convert to fraction form
    4,857.24/7,286.58 = 1,779/x
  3. Step 3: Cross multiply
    4,857.24x = 7,286.58 × 1,779
  4. Step 4: Simplify right side
    4,857.24x = 12,962,825.82
  5. Step 5: Solve for x
    x = 12,962,825.82/4,857.24
  6. Step 6: Final answer
    x = 2,668.76

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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.