Home / 7,942.59-10,961.19-4,405.82

Finding the Fourth Proportional to 7,942.59, 10,961.19 and 4,405.82

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Solution

The fourth proportional to 7,942.59, 10,961.19 and 4,405.82 is: 6,080.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.59 : 10,961.19 = 4,405.82 : x
  2. Step 2: Convert to fraction form
    7,942.59/10,961.19 = 4,405.82/x
  3. Step 3: Cross multiply
    7,942.59x = 10,961.19 × 4,405.82
  4. Step 4: Simplify right side
    7,942.59x = 48,292,975.32
  5. Step 5: Solve for x
    x = 48,292,975.32/7,942.59
  6. Step 6: Final answer
    x = 6,080.26

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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.