Home / 4,028.40-5,561.79-3,284.16

Finding the Fourth Proportional to 4,028.40, 5,561.79 and 3,284.16

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Solution

The fourth proportional to 4,028.40, 5,561.79 and 3,284.16 is: 4,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.40 : 5,561.79 = 3,284.16 : x
  2. Step 2: Convert to fraction form
    4,028.40/5,561.79 = 3,284.16/x
  3. Step 3: Cross multiply
    4,028.40x = 5,561.79 × 3,284.16
  4. Step 4: Simplify right side
    4,028.40x = 18,265,808.25
  5. Step 5: Solve for x
    x = 18,265,808.25/4,028.40
  6. Step 6: Final answer
    x = 4,534.26

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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.