Home / 7,848.46-11,772.70-2,005.08

Finding the Fourth Proportional to 7,848.46, 11,772.70 and 2,005.08

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Solution

The fourth proportional to 7,848.46, 11,772.70 and 2,005.08 is: 3,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.46 : 11,772.70 = 2,005.08 : x
  2. Step 2: Convert to fraction form
    7,848.46/11,772.70 = 2,005.08/x
  3. Step 3: Cross multiply
    7,848.46x = 11,772.70 × 2,005.08
  4. Step 4: Simplify right side
    7,848.46x = 23,605,156.16
  5. Step 5: Solve for x
    x = 23,605,156.16/7,848.46
  6. Step 6: Final answer
    x = 3,007.62

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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.