Home / 4,137.08-6,206.68-1,215.42

Finding the Fourth Proportional to 4,137.08, 6,206.68 and 1,215.42

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Solution

The fourth proportional to 4,137.08, 6,206.68 and 1,215.42 is: 1,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.08 : 6,206.68 = 1,215.42 : x
  2. Step 2: Convert to fraction form
    4,137.08/6,206.68 = 1,215.42/x
  3. Step 3: Cross multiply
    4,137.08x = 6,206.68 × 1,215.42
  4. Step 4: Simplify right side
    4,137.08x = 7,543,723.01
  5. Step 5: Solve for x
    x = 7,543,723.01/4,137.08
  6. Step 6: Final answer
    x = 1,823.44

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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.