Home / 4,771.77-7,158.78-1,996.89

Finding the Fourth Proportional to 4,771.77, 7,158.78 and 1,996.89

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Solution

The fourth proportional to 4,771.77, 7,158.78 and 1,996.89 is: 2,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.77 : 7,158.78 = 1,996.89 : x
  2. Step 2: Convert to fraction form
    4,771.77/7,158.78 = 1,996.89/x
  3. Step 3: Cross multiply
    4,771.77x = 7,158.78 × 1,996.89
  4. Step 4: Simplify right side
    4,771.77x = 14,295,296.19
  5. Step 5: Solve for x
    x = 14,295,296.19/4,771.77
  6. Step 6: Final answer
    x = 2,995.81

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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.