Home / 7,771.75-11,659.47-2,577.63

Finding the Fourth Proportional to 7,771.75, 11,659.47 and 2,577.63

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Solution

The fourth proportional to 7,771.75, 11,659.47 and 2,577.63 is: 3,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.75 : 11,659.47 = 2,577.63 : x
  2. Step 2: Convert to fraction form
    7,771.75/11,659.47 = 2,577.63/x
  3. Step 3: Cross multiply
    7,771.75x = 11,659.47 × 2,577.63
  4. Step 4: Simplify right side
    7,771.75x = 30,053,799.66
  5. Step 5: Solve for x
    x = 30,053,799.66/7,771.75
  6. Step 6: Final answer
    x = 3,867.06

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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.