Home / 8,538.83-12,807.78-3,276.36

Finding the Fourth Proportional to 8,538.83, 12,807.78 and 3,276.36

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Solution

The fourth proportional to 8,538.83, 12,807.78 and 3,276.36 is: 4,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.83 : 12,807.78 = 3,276.36 : x
  2. Step 2: Convert to fraction form
    8,538.83/12,807.78 = 3,276.36/x
  3. Step 3: Cross multiply
    8,538.83x = 12,807.78 × 3,276.36
  4. Step 4: Simplify right side
    8,538.83x = 41,962,898.08
  5. Step 5: Solve for x
    x = 41,962,898.08/8,538.83
  6. Step 6: Final answer
    x = 4,914.36

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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.