Home / 8,226.56-12,345.30-3,844.36

Finding the Fourth Proportional to 8,226.56, 12,345.30 and 3,844.36

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Solution

The fourth proportional to 8,226.56, 12,345.30 and 3,844.36 is: 5,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.56 : 12,345.30 = 3,844.36 : x
  2. Step 2: Convert to fraction form
    8,226.56/12,345.30 = 3,844.36/x
  3. Step 3: Cross multiply
    8,226.56x = 12,345.30 × 3,844.36
  4. Step 4: Simplify right side
    8,226.56x = 47,459,746.64
  5. Step 5: Solve for x
    x = 47,459,746.64/8,226.56
  6. Step 6: Final answer
    x = 5,769.09

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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.