Home / 7,771.48-11,657.62-2,225.64

Finding the Fourth Proportional to 7,771.48, 11,657.62 and 2,225.64

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Solution

The fourth proportional to 7,771.48, 11,657.62 and 2,225.64 is: 3,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.48 : 11,657.62 = 2,225.64 : x
  2. Step 2: Convert to fraction form
    7,771.48/11,657.62 = 2,225.64/x
  3. Step 3: Cross multiply
    7,771.48x = 11,657.62 × 2,225.64
  4. Step 4: Simplify right side
    7,771.48x = 25,945,699.58
  5. Step 5: Solve for x
    x = 25,945,699.58/7,771.48
  6. Step 6: Final answer
    x = 3,338.58

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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.