Home / 7,271.60-10,912.83-2,829.96

Finding the Fourth Proportional to 7,271.60, 10,912.83 and 2,829.96

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Solution

The fourth proportional to 7,271.60, 10,912.83 and 2,829.96 is: 4,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.60 : 10,912.83 = 2,829.96 : x
  2. Step 2: Convert to fraction form
    7,271.60/10,912.83 = 2,829.96/x
  3. Step 3: Cross multiply
    7,271.60x = 10,912.83 × 2,829.96
  4. Step 4: Simplify right side
    7,271.60x = 30,882,858.24
  5. Step 5: Solve for x
    x = 30,882,858.24/7,271.60
  6. Step 6: Final answer
    x = 4,247.05

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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.