Home / 6,942.12-9,577.08-4,146

Finding the Fourth Proportional to 6,942.12, 9,577.08 and 4,146

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Solution

The fourth proportional to 6,942.12, 9,577.08 and 4,146 is: 5,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.12 : 9,577.08 = 4,146 : x
  2. Step 2: Convert to fraction form
    6,942.12/9,577.08 = 4,146/x
  3. Step 3: Cross multiply
    6,942.12x = 9,577.08 × 4,146
  4. Step 4: Simplify right side
    6,942.12x = 39,706,573.68
  5. Step 5: Solve for x
    x = 39,706,573.68/6,942.12
  6. Step 6: Final answer
    x = 5,719.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.