Home / 7,639.72-11,458.67-2,093.55

Finding the Fourth Proportional to 7,639.72, 11,458.67 and 2,093.55

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Solution

The fourth proportional to 7,639.72, 11,458.67 and 2,093.55 is: 3,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.72 : 11,458.67 = 2,093.55 : x
  2. Step 2: Convert to fraction form
    7,639.72/11,458.67 = 2,093.55/x
  3. Step 3: Cross multiply
    7,639.72x = 11,458.67 × 2,093.55
  4. Step 4: Simplify right side
    7,639.72x = 23,989,245.14
  5. Step 5: Solve for x
    x = 23,989,245.14/7,639.72
  6. Step 6: Final answer
    x = 3,140.07

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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.