Home / 8,481.81-12,719.45-4,036.05

Finding the Fourth Proportional to 8,481.81, 12,719.45 and 4,036.05

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Solution

The fourth proportional to 8,481.81, 12,719.45 and 4,036.05 is: 6,052.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481.81 : 12,719.45 = 4,036.05 : x
  2. Step 2: Convert to fraction form
    8,481.81/12,719.45 = 4,036.05/x
  3. Step 3: Cross multiply
    8,481.81x = 12,719.45 × 4,036.05
  4. Step 4: Simplify right side
    8,481.81x = 51,336,315.99
  5. Step 5: Solve for x
    x = 51,336,315.99/8,481.81
  6. Step 6: Final answer
    x = 6,052.52

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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.