Home / 7,940.64-11,898.64-3,007.62

Finding the Fourth Proportional to 7,940.64, 11,898.64 and 3,007.62

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Solution

The fourth proportional to 7,940.64, 11,898.64 and 3,007.62 is: 4,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.64 : 11,898.64 = 3,007.62 : x
  2. Step 2: Convert to fraction form
    7,940.64/11,898.64 = 3,007.62/x
  3. Step 3: Cross multiply
    7,940.64x = 11,898.64 × 3,007.62
  4. Step 4: Simplify right side
    7,940.64x = 35,786,587.64
  5. Step 5: Solve for x
    x = 35,786,587.64/7,940.64
  6. Step 6: Final answer
    x = 4,506.76

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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.