Home / 8,270.10-12,401.67-3,338.40

Finding the Fourth Proportional to 8,270.10, 12,401.67 and 3,338.40

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Solution

The fourth proportional to 8,270.10, 12,401.67 and 3,338.40 is: 5,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.10 : 12,401.67 = 3,338.40 : x
  2. Step 2: Convert to fraction form
    8,270.10/12,401.67 = 3,338.40/x
  3. Step 3: Cross multiply
    8,270.10x = 12,401.67 × 3,338.40
  4. Step 4: Simplify right side
    8,270.10x = 41,401,735.13
  5. Step 5: Solve for x
    x = 41,401,735.13/8,270.10
  6. Step 6: Final answer
    x = 5,006.20

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1.5x scale

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.