Home / 7,836.32-10,817.16-5,042

Finding the Fourth Proportional to 7,836.32, 10,817.16 and 5,042

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Solution

The fourth proportional to 7,836.32, 10,817.16 and 5,042 is: 6,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.32 : 10,817.16 = 5,042 : x
  2. Step 2: Convert to fraction form
    7,836.32/10,817.16 = 5,042/x
  3. Step 3: Cross multiply
    7,836.32x = 10,817.16 × 5,042
  4. Step 4: Simplify right side
    7,836.32x = 54,540,120.72
  5. Step 5: Solve for x
    x = 54,540,120.72/7,836.32
  6. Step 6: Final answer
    x = 6,959.91

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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.