Home / 4,791.21-6,611.95-2,666.86

Finding the Fourth Proportional to 4,791.21, 6,611.95 and 2,666.86

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Solution

The fourth proportional to 4,791.21, 6,611.95 and 2,666.86 is: 3,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.21 : 6,611.95 = 2,666.86 : x
  2. Step 2: Convert to fraction form
    4,791.21/6,611.95 = 2,666.86/x
  3. Step 3: Cross multiply
    4,791.21x = 6,611.95 × 2,666.86
  4. Step 4: Simplify right side
    4,791.21x = 17,633,116.78
  5. Step 5: Solve for x
    x = 17,633,116.78/4,791.21
  6. Step 6: Final answer
    x = 3,680.30

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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.