Home / 7,942.84-10,961.04-4,405.96

Finding the Fourth Proportional to 7,942.84, 10,961.04 and 4,405.96

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Solution

The fourth proportional to 7,942.84, 10,961.04 and 4,405.96 is: 6,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.84 : 10,961.04 = 4,405.96 : x
  2. Step 2: Convert to fraction form
    7,942.84/10,961.04 = 4,405.96/x
  3. Step 3: Cross multiply
    7,942.84x = 10,961.04 × 4,405.96
  4. Step 4: Simplify right side
    7,942.84x = 48,293,903.80
  5. Step 5: Solve for x
    x = 48,293,903.80/7,942.84
  6. Step 6: Final answer
    x = 6,080.18

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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.