Home / 7,813.27-11,720.03-2,548.26

Finding the Fourth Proportional to 7,813.27, 11,720.03 and 2,548.26

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Solution

The fourth proportional to 7,813.27, 11,720.03 and 2,548.26 is: 3,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.27 : 11,720.03 = 2,548.26 : x
  2. Step 2: Convert to fraction form
    7,813.27/11,720.03 = 2,548.26/x
  3. Step 3: Cross multiply
    7,813.27x = 11,720.03 × 2,548.26
  4. Step 4: Simplify right side
    7,813.27x = 29,865,681.66
  5. Step 5: Solve for x
    x = 29,865,681.66/7,813.27
  6. Step 6: Final answer
    x = 3,822.43

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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.