Home / 5,579.11-7,698.84-3,189.34

Finding the Fourth Proportional to 5,579.11, 7,698.84 and 3,189.34

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Solution

The fourth proportional to 5,579.11, 7,698.84 and 3,189.34 is: 4,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.11 : 7,698.84 = 3,189.34 : x
  2. Step 2: Convert to fraction form
    5,579.11/7,698.84 = 3,189.34/x
  3. Step 3: Cross multiply
    5,579.11x = 7,698.84 × 3,189.34
  4. Step 4: Simplify right side
    5,579.11x = 24,554,218.37
  5. Step 5: Solve for x
    x = 24,554,218.37/5,579.11
  6. Step 6: Final answer
    x = 4,401.10

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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.