Home / 4,784.36-7,176.53-1,274.37

Finding the Fourth Proportional to 4,784.36, 7,176.53 and 1,274.37

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Solution

The fourth proportional to 4,784.36, 7,176.53 and 1,274.37 is: 1,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.36 : 7,176.53 = 1,274.37 : x
  2. Step 2: Convert to fraction form
    4,784.36/7,176.53 = 1,274.37/x
  3. Step 3: Cross multiply
    4,784.36x = 7,176.53 × 1,274.37
  4. Step 4: Simplify right side
    4,784.36x = 9,145,554.54
  5. Step 5: Solve for x
    x = 9,145,554.54/4,784.36
  6. Step 6: Final answer
    x = 1,911.55

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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.