Home / 7,848.46-11,772.66-2,005.06

Finding the Fourth Proportional to 7,848.46, 11,772.66 and 2,005.06

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Solution

The fourth proportional to 7,848.46, 11,772.66 and 2,005.06 is: 3,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.46 : 11,772.66 = 2,005.06 : x
  2. Step 2: Convert to fraction form
    7,848.46/11,772.66 = 2,005.06/x
  3. Step 3: Cross multiply
    7,848.46x = 11,772.66 × 2,005.06
  4. Step 4: Simplify right side
    7,848.46x = 23,604,889.66
  5. Step 5: Solve for x
    x = 23,604,889.66/7,848.46
  6. Step 6: Final answer
    x = 3,007.58

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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.