Home / 4,764.59-7,145.21-1,431.84

Finding the Fourth Proportional to 4,764.59, 7,145.21 and 1,431.84

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Solution

The fourth proportional to 4,764.59, 7,145.21 and 1,431.84 is: 2,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.59 : 7,145.21 = 1,431.84 : x
  2. Step 2: Convert to fraction form
    4,764.59/7,145.21 = 1,431.84/x
  3. Step 3: Cross multiply
    4,764.59x = 7,145.21 × 1,431.84
  4. Step 4: Simplify right side
    4,764.59x = 10,230,790.33
  5. Step 5: Solve for x
    x = 10,230,790.33/4,764.59
  6. Step 6: Final answer
    x = 2,147.26

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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.