Home / 4,719.35-7,078.97-1,256.60

Finding the Fourth Proportional to 4,719.35, 7,078.97 and 1,256.60

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Solution

The fourth proportional to 4,719.35, 7,078.97 and 1,256.60 is: 1,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.35 : 7,078.97 = 1,256.60 : x
  2. Step 2: Convert to fraction form
    4,719.35/7,078.97 = 1,256.60/x
  3. Step 3: Cross multiply
    4,719.35x = 7,078.97 × 1,256.60
  4. Step 4: Simplify right side
    4,719.35x = 8,895,401.45
  5. Step 5: Solve for x
    x = 8,895,401.45/4,719.35
  6. Step 6: Final answer
    x = 1,884.88

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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.