Home / 7,848.12-11,760.66-3,947.16

Finding the Fourth Proportional to 7,848.12, 11,760.66 and 3,947.16

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Solution

The fourth proportional to 7,848.12, 11,760.66 and 3,947.16 is: 5,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.12 : 11,760.66 = 3,947.16 : x
  2. Step 2: Convert to fraction form
    7,848.12/11,760.66 = 3,947.16/x
  3. Step 3: Cross multiply
    7,848.12x = 11,760.66 × 3,947.16
  4. Step 4: Simplify right side
    7,848.12x = 46,421,206.73
  5. Step 5: Solve for x
    x = 46,421,206.73/7,848.12
  6. Step 6: Final answer
    x = 5,914.95

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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.