Home / 7,858.19-11,787.99-2,014.85

Finding the Fourth Proportional to 7,858.19, 11,787.99 and 2,014.85

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Solution

The fourth proportional to 7,858.19, 11,787.99 and 2,014.85 is: 3,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.19 : 11,787.99 = 2,014.85 : x
  2. Step 2: Convert to fraction form
    7,858.19/11,787.99 = 2,014.85/x
  3. Step 3: Cross multiply
    7,858.19x = 11,787.99 × 2,014.85
  4. Step 4: Simplify right side
    7,858.19x = 23,751,002.18
  5. Step 5: Solve for x
    x = 23,751,002.18/7,858.19
  6. Step 6: Final answer
    x = 3,022.45

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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.