Home / 4,717.54-7,077.79-1,945.52

Finding the Fourth Proportional to 4,717.54, 7,077.79 and 1,945.52

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Solution

The fourth proportional to 4,717.54, 7,077.79 and 1,945.52 is: 2,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.54 : 7,077.79 = 1,945.52 : x
  2. Step 2: Convert to fraction form
    4,717.54/7,077.79 = 1,945.52/x
  3. Step 3: Cross multiply
    4,717.54x = 7,077.79 × 1,945.52
  4. Step 4: Simplify right side
    4,717.54x = 13,769,982.00
  5. Step 5: Solve for x
    x = 13,769,982.00/4,717.54
  6. Step 6: Final answer
    x = 2,918.89

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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.