Home / 8,548.70-12,824.85-3,615.80

Finding the Fourth Proportional to 8,548.70, 12,824.85 and 3,615.80

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Solution

The fourth proportional to 8,548.70, 12,824.85 and 3,615.80 is: 5,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.70 : 12,824.85 = 3,615.80 : x
  2. Step 2: Convert to fraction form
    8,548.70/12,824.85 = 3,615.80/x
  3. Step 3: Cross multiply
    8,548.70x = 12,824.85 × 3,615.80
  4. Step 4: Simplify right side
    8,548.70x = 46,372,092.63
  5. Step 5: Solve for x
    x = 46,372,092.63/8,548.70
  6. Step 6: Final answer
    x = 5,424.46

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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.