Home / 4,120.42-6,176.31-1,927.36

Finding the Fourth Proportional to 4,120.42, 6,176.31 and 1,927.36

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Solution

The fourth proportional to 4,120.42, 6,176.31 and 1,927.36 is: 2,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.42 : 6,176.31 = 1,927.36 : x
  2. Step 2: Convert to fraction form
    4,120.42/6,176.31 = 1,927.36/x
  3. Step 3: Cross multiply
    4,120.42x = 6,176.31 × 1,927.36
  4. Step 4: Simplify right side
    4,120.42x = 11,903,972.84
  5. Step 5: Solve for x
    x = 11,903,972.84/4,120.42
  6. Step 6: Final answer
    x = 2,889.02

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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.