Home / 5,799.21-8,003.79-3,561.45

Finding the Fourth Proportional to 5,799.21, 8,003.79 and 3,561.45

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Solution

The fourth proportional to 5,799.21, 8,003.79 and 3,561.45 is: 4,915.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.21 : 8,003.79 = 3,561.45 : x
  2. Step 2: Convert to fraction form
    5,799.21/8,003.79 = 3,561.45/x
  3. Step 3: Cross multiply
    5,799.21x = 8,003.79 × 3,561.45
  4. Step 4: Simplify right side
    5,799.21x = 28,505,097.90
  5. Step 5: Solve for x
    x = 28,505,097.90/5,799.21
  6. Step 6: Final answer
    x = 4,915.34

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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.