Home / 5,145.23-7,709.65-3,294.83

Finding the Fourth Proportional to 5,145.23, 7,709.65 and 3,294.83

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Solution

The fourth proportional to 5,145.23, 7,709.65 and 3,294.83 is: 4,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.23 : 7,709.65 = 3,294.83 : x
  2. Step 2: Convert to fraction form
    5,145.23/7,709.65 = 3,294.83/x
  3. Step 3: Cross multiply
    5,145.23x = 7,709.65 × 3,294.83
  4. Step 4: Simplify right side
    5,145.23x = 25,401,939.32
  5. Step 5: Solve for x
    x = 25,401,939.32/5,145.23
  6. Step 6: Final answer
    x = 4,936.99

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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.