Home / 4,767.30-7,141.14-2,814.75

Finding the Fourth Proportional to 4,767.30, 7,141.14 and 2,814.75

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Solution

The fourth proportional to 4,767.30, 7,141.14 and 2,814.75 is: 4,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,767.30 : 7,141.14 = 2,814.75 : x
  2. Step 2: Convert to fraction form
    4,767.30/7,141.14 = 2,814.75/x
  3. Step 3: Cross multiply
    4,767.30x = 7,141.14 × 2,814.75
  4. Step 4: Simplify right side
    4,767.30x = 20,100,523.82
  5. Step 5: Solve for x
    x = 20,100,523.82/4,767.30
  6. Step 6: Final answer
    x = 4,216.33

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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.