Home / 8,540.66-12,812.36-3,610.35

Finding the Fourth Proportional to 8,540.66, 12,812.36 and 3,610.35

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Solution

The fourth proportional to 8,540.66, 12,812.36 and 3,610.35 is: 5,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.66 : 12,812.36 = 3,610.35 : x
  2. Step 2: Convert to fraction form
    8,540.66/12,812.36 = 3,610.35/x
  3. Step 3: Cross multiply
    8,540.66x = 12,812.36 × 3,610.35
  4. Step 4: Simplify right side
    8,540.66x = 46,257,103.93
  5. Step 5: Solve for x
    x = 46,257,103.93/8,540.66
  6. Step 6: Final answer
    x = 5,416.10

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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.