Home / 4,791.38-6,611.72-2,666.74

Finding the Fourth Proportional to 4,791.38, 6,611.72 and 2,666.74

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Solution

The fourth proportional to 4,791.38, 6,611.72 and 2,666.74 is: 3,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.38 : 6,611.72 = 2,666.74 : x
  2. Step 2: Convert to fraction form
    4,791.38/6,611.72 = 2,666.74/x
  3. Step 3: Cross multiply
    4,791.38x = 6,611.72 × 2,666.74
  4. Step 4: Simplify right side
    4,791.38x = 17,631,738.19
  5. Step 5: Solve for x
    x = 17,631,738.19/4,791.38
  6. Step 6: Final answer
    x = 3,679.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.