Home / 4,095.90-6,138.45-2,940.30

Finding the Fourth Proportional to 4,095.90, 6,138.45 and 2,940.30

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Solution

The fourth proportional to 4,095.90, 6,138.45 and 2,940.30 is: 4,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.90 : 6,138.45 = 2,940.30 : x
  2. Step 2: Convert to fraction form
    4,095.90/6,138.45 = 2,940.30/x
  3. Step 3: Cross multiply
    4,095.90x = 6,138.45 × 2,940.30
  4. Step 4: Simplify right side
    4,095.90x = 18,048,884.54
  5. Step 5: Solve for x
    x = 18,048,884.54/4,095.90
  6. Step 6: Final answer
    x = 4,406.57

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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.