Home / 7,271.06-10,906.65-2,340.72

Finding the Fourth Proportional to 7,271.06, 10,906.65 and 2,340.72

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Solution

The fourth proportional to 7,271.06, 10,906.65 and 2,340.72 is: 3,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.06 : 10,906.65 = 2,340.72 : x
  2. Step 2: Convert to fraction form
    7,271.06/10,906.65 = 2,340.72/x
  3. Step 3: Cross multiply
    7,271.06x = 10,906.65 × 2,340.72
  4. Step 4: Simplify right side
    7,271.06x = 25,529,413.79
  5. Step 5: Solve for x
    x = 25,529,413.79/7,271.06
  6. Step 6: Final answer
    x = 3,511.10

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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.