Home / 7,661.07-11,487.78-2,730.06

Finding the Fourth Proportional to 7,661.07, 11,487.78 and 2,730.06

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Solution

The fourth proportional to 7,661.07, 11,487.78 and 2,730.06 is: 4,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.07 : 11,487.78 = 2,730.06 : x
  2. Step 2: Convert to fraction form
    7,661.07/11,487.78 = 2,730.06/x
  3. Step 3: Cross multiply
    7,661.07x = 11,487.78 × 2,730.06
  4. Step 4: Simplify right side
    7,661.07x = 31,362,328.67
  5. Step 5: Solve for x
    x = 31,362,328.67/7,661.07
  6. Step 6: Final answer
    x = 4,093.73

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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.