Home / 4,759.83-7,141.50-1,986.80

Finding the Fourth Proportional to 4,759.83, 7,141.50 and 1,986.80

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Solution

The fourth proportional to 4,759.83, 7,141.50 and 1,986.80 is: 2,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.83 : 7,141.50 = 1,986.80 : x
  2. Step 2: Convert to fraction form
    4,759.83/7,141.50 = 1,986.80/x
  3. Step 3: Cross multiply
    4,759.83x = 7,141.50 × 1,986.80
  4. Step 4: Simplify right side
    4,759.83x = 14,188,696.49
  5. Step 5: Solve for x
    x = 14,188,696.49/4,759.83
  6. Step 6: Final answer
    x = 2,980.93

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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.