Home / 7,709.41-11,564.11-2,515.29

Finding the Fourth Proportional to 7,709.41, 11,564.11 and 2,515.29

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Solution

The fourth proportional to 7,709.41, 11,564.11 and 2,515.29 is: 3,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.41 : 11,564.11 = 2,515.29 : x
  2. Step 2: Convert to fraction form
    7,709.41/11,564.11 = 2,515.29/x
  3. Step 3: Cross multiply
    7,709.41x = 11,564.11 × 2,515.29
  4. Step 4: Simplify right side
    7,709.41x = 29,087,090.24
  5. Step 5: Solve for x
    x = 29,087,090.24/7,709.41
  6. Step 6: Final answer
    x = 3,772.93

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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.