Home / 3,954.10-5,443.86-3,113.32

Finding the Fourth Proportional to 3,954.10, 5,443.86 and 3,113.32

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Solution

The fourth proportional to 3,954.10, 5,443.86 and 3,113.32 is: 4,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.10 : 5,443.86 = 3,113.32 : x
  2. Step 2: Convert to fraction form
    3,954.10/5,443.86 = 3,113.32/x
  3. Step 3: Cross multiply
    3,954.10x = 5,443.86 × 3,113.32
  4. Step 4: Simplify right side
    3,954.10x = 16,948,478.22
  5. Step 5: Solve for x
    x = 16,948,478.22/3,954.10
  6. Step 6: Final answer
    x = 4,286.30

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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.