Home / 4,428.43-6,112.19-2,540.32

Finding the Fourth Proportional to 4,428.43, 6,112.19 and 2,540.32

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Solution

The fourth proportional to 4,428.43, 6,112.19 and 2,540.32 is: 3,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.43 : 6,112.19 = 2,540.32 : x
  2. Step 2: Convert to fraction form
    4,428.43/6,112.19 = 2,540.32/x
  3. Step 3: Cross multiply
    4,428.43x = 6,112.19 × 2,540.32
  4. Step 4: Simplify right side
    4,428.43x = 15,526,918.50
  5. Step 5: Solve for x
    x = 15,526,918.50/4,428.43
  6. Step 6: Final answer
    x = 3,506.19

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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.