Home / 7,779.09-11,665.17-2,845.29

Finding the Fourth Proportional to 7,779.09, 11,665.17 and 2,845.29

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Solution

The fourth proportional to 7,779.09, 11,665.17 and 2,845.29 is: 4,266.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.09 : 11,665.17 = 2,845.29 : x
  2. Step 2: Convert to fraction form
    7,779.09/11,665.17 = 2,845.29/x
  3. Step 3: Cross multiply
    7,779.09x = 11,665.17 × 2,845.29
  4. Step 4: Simplify right side
    7,779.09x = 33,190,791.55
  5. Step 5: Solve for x
    x = 33,190,791.55/7,779.09
  6. Step 6: Final answer
    x = 4,266.67

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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.