Home / 4,771.79-7,151.82-2,274.29

Finding the Fourth Proportional to 4,771.79, 7,151.82 and 2,274.29

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Solution

The fourth proportional to 4,771.79, 7,151.82 and 2,274.29 is: 3,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.79 : 7,151.82 = 2,274.29 : x
  2. Step 2: Convert to fraction form
    4,771.79/7,151.82 = 2,274.29/x
  3. Step 3: Cross multiply
    4,771.79x = 7,151.82 × 2,274.29
  4. Step 4: Simplify right side
    4,771.79x = 16,265,322.06
  5. Step 5: Solve for x
    x = 16,265,322.06/4,771.79
  6. Step 6: Final answer
    x = 3,408.64

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1.5x scale

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.