Home / 4,890.23-7,336.43-1,427.75

Finding the Fourth Proportional to 4,890.23, 7,336.43 and 1,427.75

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Solution

The fourth proportional to 4,890.23, 7,336.43 and 1,427.75 is: 2,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.23 : 7,336.43 = 1,427.75 : x
  2. Step 2: Convert to fraction form
    4,890.23/7,336.43 = 1,427.75/x
  3. Step 3: Cross multiply
    4,890.23x = 7,336.43 × 1,427.75
  4. Step 4: Simplify right side
    4,890.23x = 10,474,580.79
  5. Step 5: Solve for x
    x = 10,474,580.79/4,890.23
  6. Step 6: Final answer
    x = 2,141.94

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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.