Home / 8,740.08-13,098.44-3,188.21

Finding the Fourth Proportional to 8,740.08, 13,098.44 and 3,188.21

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Solution

The fourth proportional to 8,740.08, 13,098.44 and 3,188.21 is: 4,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.08 : 13,098.44 = 3,188.21 : x
  2. Step 2: Convert to fraction form
    8,740.08/13,098.44 = 3,188.21/x
  3. Step 3: Cross multiply
    8,740.08x = 13,098.44 × 3,188.21
  4. Step 4: Simplify right side
    8,740.08x = 41,760,519.87
  5. Step 5: Solve for x
    x = 41,760,519.87/8,740.08
  6. Step 6: Final answer
    x = 4,778.05

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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.