Home / 4,889.42-7,335.80-1,427.18

Finding the Fourth Proportional to 4,889.42, 7,335.80 and 1,427.18

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Solution

The fourth proportional to 4,889.42, 7,335.80 and 1,427.18 is: 2,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.42 : 7,335.80 = 1,427.18 : x
  2. Step 2: Convert to fraction form
    4,889.42/7,335.80 = 1,427.18/x
  3. Step 3: Cross multiply
    4,889.42x = 7,335.80 × 1,427.18
  4. Step 4: Simplify right side
    4,889.42x = 10,469,473.93
  5. Step 5: Solve for x
    x = 10,469,473.93/4,889.42
  6. Step 6: Final answer
    x = 2,141.25

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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.