Home / 8,450.20-11,665.34-5,622.28

Finding the Fourth Proportional to 8,450.20, 11,665.34 and 5,622.28

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Solution

The fourth proportional to 8,450.20, 11,665.34 and 5,622.28 is: 7,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.20 : 11,665.34 = 5,622.28 : x
  2. Step 2: Convert to fraction form
    8,450.20/11,665.34 = 5,622.28/x
  3. Step 3: Cross multiply
    8,450.20x = 11,665.34 × 5,622.28
  4. Step 4: Simplify right side
    8,450.20x = 65,585,807.78
  5. Step 5: Solve for x
    x = 65,585,807.78/8,450.20
  6. Step 6: Final answer
    x = 7,761.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.