Home / 7,271.12-10,906.58-2,340.79

Finding the Fourth Proportional to 7,271.12, 10,906.58 and 2,340.79

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Solution

The fourth proportional to 7,271.12, 10,906.58 and 2,340.79 is: 3,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.12 : 10,906.58 = 2,340.79 : x
  2. Step 2: Convert to fraction form
    7,271.12/10,906.58 = 2,340.79/x
  3. Step 3: Cross multiply
    7,271.12x = 10,906.58 × 2,340.79
  4. Step 4: Simplify right side
    7,271.12x = 25,529,991.98
  5. Step 5: Solve for x
    x = 25,529,991.98/7,271.12
  6. Step 6: Final answer
    x = 3,511.15

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1.5x scale

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.