Home / 8,982.20-13,466.90-3,433.40

Finding the Fourth Proportional to 8,982.20, 13,466.90 and 3,433.40

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Solution

The fourth proportional to 8,982.20, 13,466.90 and 3,433.40 is: 5,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.20 : 13,466.90 = 3,433.40 : x
  2. Step 2: Convert to fraction form
    8,982.20/13,466.90 = 3,433.40/x
  3. Step 3: Cross multiply
    8,982.20x = 13,466.90 × 3,433.40
  4. Step 4: Simplify right side
    8,982.20x = 46,237,254.46
  5. Step 5: Solve for x
    x = 46,237,254.46/8,982.20
  6. Step 6: Final answer
    x = 5,147.65

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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.