Home / 4,890.26-7,335.48-1,427.60

Finding the Fourth Proportional to 4,890.26, 7,335.48 and 1,427.60

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Solution

The fourth proportional to 4,890.26, 7,335.48 and 1,427.60 is: 2,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.26 : 7,335.48 = 1,427.60 : x
  2. Step 2: Convert to fraction form
    4,890.26/7,335.48 = 1,427.60/x
  3. Step 3: Cross multiply
    4,890.26x = 7,335.48 × 1,427.60
  4. Step 4: Simplify right side
    4,890.26x = 10,472,131.25
  5. Step 5: Solve for x
    x = 10,472,131.25/4,890.26
  6. Step 6: Final answer
    x = 2,141.43

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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.