Home / 7,768.41-11,653.37-2,221.93

Finding the Fourth Proportional to 7,768.41, 11,653.37 and 2,221.93

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Solution

The fourth proportional to 7,768.41, 11,653.37 and 2,221.93 is: 3,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.41 : 11,653.37 = 2,221.93 : x
  2. Step 2: Convert to fraction form
    7,768.41/11,653.37 = 2,221.93/x
  3. Step 3: Cross multiply
    7,768.41x = 11,653.37 × 2,221.93
  4. Step 4: Simplify right side
    7,768.41x = 25,892,984.19
  5. Step 5: Solve for x
    x = 25,892,984.19/7,768.41
  6. Step 6: Final answer
    x = 3,333.11

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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.