Home / 4,766.14-7,150.50-1,991.89

Finding the Fourth Proportional to 4,766.14, 7,150.50 and 1,991.89

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Solution

The fourth proportional to 4,766.14, 7,150.50 and 1,991.89 is: 2,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.14 : 7,150.50 = 1,991.89 : x
  2. Step 2: Convert to fraction form
    4,766.14/7,150.50 = 1,991.89/x
  3. Step 3: Cross multiply
    4,766.14x = 7,150.50 × 1,991.89
  4. Step 4: Simplify right side
    4,766.14x = 14,243,009.45
  5. Step 5: Solve for x
    x = 14,243,009.45/4,766.14
  6. Step 6: Final answer
    x = 2,988.37

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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.