Home / 8,367.12-12,547.26-3,433.38

Finding the Fourth Proportional to 8,367.12, 12,547.26 and 3,433.38

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Solution

The fourth proportional to 8,367.12, 12,547.26 and 3,433.38 is: 5,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.12 : 12,547.26 = 3,433.38 : x
  2. Step 2: Convert to fraction form
    8,367.12/12,547.26 = 3,433.38/x
  3. Step 3: Cross multiply
    8,367.12x = 12,547.26 × 3,433.38
  4. Step 4: Simplify right side
    8,367.12x = 43,079,511.54
  5. Step 5: Solve for x
    x = 43,079,511.54/8,367.12
  6. Step 6: Final answer
    x = 5,148.67

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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.