Home / 4,192.56-6,285.80-1,971.54

Finding the Fourth Proportional to 4,192.56, 6,285.80 and 1,971.54

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Solution

The fourth proportional to 4,192.56, 6,285.80 and 1,971.54 is: 2,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.56 : 6,285.80 = 1,971.54 : x
  2. Step 2: Convert to fraction form
    4,192.56/6,285.80 = 1,971.54/x
  3. Step 3: Cross multiply
    4,192.56x = 6,285.80 × 1,971.54
  4. Step 4: Simplify right side
    4,192.56x = 12,392,711.06
  5. Step 5: Solve for x
    x = 12,392,711.06/4,192.56
  6. Step 6: Final answer
    x = 2,955.88

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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.