Home / 7,639.01-11,450.16-3,477.94

Finding the Fourth Proportional to 7,639.01, 11,450.16 and 3,477.94

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Solution

The fourth proportional to 7,639.01, 11,450.16 and 3,477.94 is: 5,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.01 : 11,450.16 = 3,477.94 : x
  2. Step 2: Convert to fraction form
    7,639.01/11,450.16 = 3,477.94/x
  3. Step 3: Cross multiply
    7,639.01x = 11,450.16 × 3,477.94
  4. Step 4: Simplify right side
    7,639.01x = 39,822,940.85
  5. Step 5: Solve for x
    x = 39,822,940.85/7,639.01
  6. Step 6: Final answer
    x = 5,213.10

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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.