Home / 4,784.64-7,177.26-1,274.58

Finding the Fourth Proportional to 4,784.64, 7,177.26 and 1,274.58

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Solution

The fourth proportional to 4,784.64, 7,177.26 and 1,274.58 is: 1,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.64 : 7,177.26 = 1,274.58 : x
  2. Step 2: Convert to fraction form
    4,784.64/7,177.26 = 1,274.58/x
  3. Step 3: Cross multiply
    4,784.64x = 7,177.26 × 1,274.58
  4. Step 4: Simplify right side
    4,784.64x = 9,147,992.05
  5. Step 5: Solve for x
    x = 9,147,992.05/4,784.64
  6. Step 6: Final answer
    x = 1,911.95

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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.