Home / 8,548.98-12,813.75-3,615.54

Finding the Fourth Proportional to 8,548.98, 12,813.75 and 3,615.54

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Solution

The fourth proportional to 8,548.98, 12,813.75 and 3,615.54 is: 5,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.98 : 12,813.75 = 3,615.54 : x
  2. Step 2: Convert to fraction form
    8,548.98/12,813.75 = 3,615.54/x
  3. Step 3: Cross multiply
    8,548.98x = 12,813.75 × 3,615.54
  4. Step 4: Simplify right side
    8,548.98x = 46,328,625.68
  5. Step 5: Solve for x
    x = 46,328,625.68/8,548.98
  6. Step 6: Final answer
    x = 5,419.20

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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.