Home / 4,094.40-5,645.79-2,765.79

Finding the Fourth Proportional to 4,094.40, 5,645.79 and 2,765.79

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Solution

The fourth proportional to 4,094.40, 5,645.79 and 2,765.79 is: 3,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,094.40 : 5,645.79 = 2,765.79 : x
  2. Step 2: Convert to fraction form
    4,094.40/5,645.79 = 2,765.79/x
  3. Step 3: Cross multiply
    4,094.40x = 5,645.79 × 2,765.79
  4. Step 4: Simplify right side
    4,094.40x = 15,615,069.52
  5. Step 5: Solve for x
    x = 15,615,069.52/4,094.40
  6. Step 6: Final answer
    x = 3,813.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.