Home / 6,731.68-10,099.68-3,271.36

Finding the Fourth Proportional to 6,731.68, 10,099.68 and 3,271.36

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Solution

The fourth proportional to 6,731.68, 10,099.68 and 3,271.36 is: 4,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.68 : 10,099.68 = 3,271.36 : x
  2. Step 2: Convert to fraction form
    6,731.68/10,099.68 = 3,271.36/x
  3. Step 3: Cross multiply
    6,731.68x = 10,099.68 × 3,271.36
  4. Step 4: Simplify right side
    6,731.68x = 33,039,689.16
  5. Step 5: Solve for x
    x = 33,039,689.16/6,731.68
  6. Step 6: Final answer
    x = 4,908.09

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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.