Home / 4,742.73-7,115.48-1,456.31

Finding the Fourth Proportional to 4,742.73, 7,115.48 and 1,456.31

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Solution

The fourth proportional to 4,742.73, 7,115.48 and 1,456.31 is: 2,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.73 : 7,115.48 = 1,456.31 : x
  2. Step 2: Convert to fraction form
    4,742.73/7,115.48 = 1,456.31/x
  3. Step 3: Cross multiply
    4,742.73x = 7,115.48 × 1,456.31
  4. Step 4: Simplify right side
    4,742.73x = 10,362,344.68
  5. Step 5: Solve for x
    x = 10,362,344.68/4,742.73
  6. Step 6: Final answer
    x = 2,184.89

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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.