Home / 7,782.46-11,675.42-2,235.38

Finding the Fourth Proportional to 7,782.46, 11,675.42 and 2,235.38

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Solution

The fourth proportional to 7,782.46, 11,675.42 and 2,235.38 is: 3,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.46 : 11,675.42 = 2,235.38 : x
  2. Step 2: Convert to fraction form
    7,782.46/11,675.42 = 2,235.38/x
  3. Step 3: Cross multiply
    7,782.46x = 11,675.42 × 2,235.38
  4. Step 4: Simplify right side
    7,782.46x = 26,099,000.36
  5. Step 5: Solve for x
    x = 26,099,000.36/7,782.46
  6. Step 6: Final answer
    x = 3,353.57

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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.