Home / 4,113.10-6,181.80-4,040.20

Finding the Fourth Proportional to 4,113.10, 6,181.80 and 4,040.20

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Solution

The fourth proportional to 4,113.10, 6,181.80 and 4,040.20 is: 6,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.10 : 6,181.80 = 4,040.20 : x
  2. Step 2: Convert to fraction form
    4,113.10/6,181.80 = 4,040.20/x
  3. Step 3: Cross multiply
    4,113.10x = 6,181.80 × 4,040.20
  4. Step 4: Simplify right side
    4,113.10x = 24,975,708.36
  5. Step 5: Solve for x
    x = 24,975,708.36/4,113.10
  6. Step 6: Final answer
    x = 6,072.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.