Home / 8,186.08-12,281.39-3,259.18

Finding the Fourth Proportional to 8,186.08, 12,281.39 and 3,259.18

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Solution

The fourth proportional to 8,186.08, 12,281.39 and 3,259.18 is: 4,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.08 : 12,281.39 = 3,259.18 : x
  2. Step 2: Convert to fraction form
    8,186.08/12,281.39 = 3,259.18/x
  3. Step 3: Cross multiply
    8,186.08x = 12,281.39 × 3,259.18
  4. Step 4: Simplify right side
    8,186.08x = 40,027,213.66
  5. Step 5: Solve for x
    x = 40,027,213.66/8,186.08
  6. Step 6: Final answer
    x = 4,889.67

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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.