Home / 8,415.44-12,619.56-3,735.44

Finding the Fourth Proportional to 8,415.44, 12,619.56 and 3,735.44

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Solution

The fourth proportional to 8,415.44, 12,619.56 and 3,735.44 is: 5,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.44 : 12,619.56 = 3,735.44 : x
  2. Step 2: Convert to fraction form
    8,415.44/12,619.56 = 3,735.44/x
  3. Step 3: Cross multiply
    8,415.44x = 12,619.56 × 3,735.44
  4. Step 4: Simplify right side
    8,415.44x = 47,139,609.21
  5. Step 5: Solve for x
    x = 47,139,609.21/8,415.44
  6. Step 6: Final answer
    x = 5,601.56

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1.5x scale

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.