Home / 8,206.08-12,315.12-3,277.14

Finding the Fourth Proportional to 8,206.08, 12,315.12 and 3,277.14

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Solution

The fourth proportional to 8,206.08, 12,315.12 and 3,277.14 is: 4,918.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.08 : 12,315.12 = 3,277.14 : x
  2. Step 2: Convert to fraction form
    8,206.08/12,315.12 = 3,277.14/x
  3. Step 3: Cross multiply
    8,206.08x = 12,315.12 × 3,277.14
  4. Step 4: Simplify right side
    8,206.08x = 40,358,372.36
  5. Step 5: Solve for x
    x = 40,358,372.36/8,206.08
  6. Step 6: Final answer
    x = 4,918.11

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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.