Home / 7,271.47-10,912.64-2,829.83

Finding the Fourth Proportional to 7,271.47, 10,912.64 and 2,829.83

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Solution

The fourth proportional to 7,271.47, 10,912.64 and 2,829.83 is: 4,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.47 : 10,912.64 = 2,829.83 : x
  2. Step 2: Convert to fraction form
    7,271.47/10,912.64 = 2,829.83/x
  3. Step 3: Cross multiply
    7,271.47x = 10,912.64 × 2,829.83
  4. Step 4: Simplify right side
    7,271.47x = 30,880,929.18
  5. Step 5: Solve for x
    x = 30,880,929.18/7,271.47
  6. Step 6: Final answer
    x = 4,246.86

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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.