Home / 8,164.42-12,246.89-3,889.23

Finding the Fourth Proportional to 8,164.42, 12,246.89 and 3,889.23

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Solution

The fourth proportional to 8,164.42, 12,246.89 and 3,889.23 is: 5,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.42 : 12,246.89 = 3,889.23 : x
  2. Step 2: Convert to fraction form
    8,164.42/12,246.89 = 3,889.23/x
  3. Step 3: Cross multiply
    8,164.42x = 12,246.89 × 3,889.23
  4. Step 4: Simplify right side
    8,164.42x = 47,630,971.99
  5. Step 5: Solve for x
    x = 47,630,971.99/8,164.42
  6. Step 6: Final answer
    x = 5,833.97

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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.