Home / 7,861.23-11,791.58-2,017.89

Finding the Fourth Proportional to 7,861.23, 11,791.58 and 2,017.89

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Solution

The fourth proportional to 7,861.23, 11,791.58 and 2,017.89 is: 3,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.23 : 11,791.58 = 2,017.89 : x
  2. Step 2: Convert to fraction form
    7,861.23/11,791.58 = 2,017.89/x
  3. Step 3: Cross multiply
    7,861.23x = 11,791.58 × 2,017.89
  4. Step 4: Simplify right side
    7,861.23x = 23,794,101.28
  5. Step 5: Solve for x
    x = 23,794,101.28/7,861.23
  6. Step 6: Final answer
    x = 3,026.77

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1.5x scale

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.