Home / 7,888.46-11,822.79-4,181.54

Finding the Fourth Proportional to 7,888.46, 11,822.79 and 4,181.54

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Solution

The fourth proportional to 7,888.46, 11,822.79 and 4,181.54 is: 6,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.46 : 11,822.79 = 4,181.54 : x
  2. Step 2: Convert to fraction form
    7,888.46/11,822.79 = 4,181.54/x
  3. Step 3: Cross multiply
    7,888.46x = 11,822.79 × 4,181.54
  4. Step 4: Simplify right side
    7,888.46x = 49,437,469.30
  5. Step 5: Solve for x
    x = 49,437,469.30/7,888.46
  6. Step 6: Final answer
    x = 6,267.06

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1.5x scale

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.