Home / 4,611.95-6,919.67-2,764.40

Finding the Fourth Proportional to 4,611.95, 6,919.67 and 2,764.40

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Solution

The fourth proportional to 4,611.95, 6,919.67 and 2,764.40 is: 4,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.95 : 6,919.67 = 2,764.40 : x
  2. Step 2: Convert to fraction form
    4,611.95/6,919.67 = 2,764.40/x
  3. Step 3: Cross multiply
    4,611.95x = 6,919.67 × 2,764.40
  4. Step 4: Simplify right side
    4,611.95x = 19,128,687.33
  5. Step 5: Solve for x
    x = 19,128,687.33/4,611.95
  6. Step 6: Final answer
    x = 4,147.63

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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.