Home / 8,450.70-11,666.05-5,622.79

Finding the Fourth Proportional to 8,450.70, 11,666.05 and 5,622.79

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Solution

The fourth proportional to 8,450.70, 11,666.05 and 5,622.79 is: 7,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.70 : 11,666.05 = 5,622.79 : x
  2. Step 2: Convert to fraction form
    8,450.70/11,666.05 = 5,622.79/x
  3. Step 3: Cross multiply
    8,450.70x = 11,666.05 × 5,622.79
  4. Step 4: Simplify right side
    8,450.70x = 65,595,776.56
  5. Step 5: Solve for x
    x = 65,595,776.56/8,450.70
  6. Step 6: Final answer
    x = 7,762.17

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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.