Home / 7,782.26-11,666.83-3,620.14

Finding the Fourth Proportional to 7,782.26, 11,666.83 and 3,620.14

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Solution

The fourth proportional to 7,782.26, 11,666.83 and 3,620.14 is: 5,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.26 : 11,666.83 = 3,620.14 : x
  2. Step 2: Convert to fraction form
    7,782.26/11,666.83 = 3,620.14/x
  3. Step 3: Cross multiply
    7,782.26x = 11,666.83 × 3,620.14
  4. Step 4: Simplify right side
    7,782.26x = 42,235,557.96
  5. Step 5: Solve for x
    x = 42,235,557.96/7,782.26
  6. Step 6: Final answer
    x = 5,427.16

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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.