Home / 6,731.36-10,102.72-2,838.56

Finding the Fourth Proportional to 6,731.36, 10,102.72 and 2,838.56

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Solution

The fourth proportional to 6,731.36, 10,102.72 and 2,838.56 is: 4,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.36 : 10,102.72 = 2,838.56 : x
  2. Step 2: Convert to fraction form
    6,731.36/10,102.72 = 2,838.56/x
  3. Step 3: Cross multiply
    6,731.36x = 10,102.72 × 2,838.56
  4. Step 4: Simplify right side
    6,731.36x = 28,677,176.88
  5. Step 5: Solve for x
    x = 28,677,176.88/6,731.36
  6. Step 6: Final answer
    x = 4,260.24

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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.