Home / 4,090.90-6,124.20-3,604.90

Finding the Fourth Proportional to 4,090.90, 6,124.20 and 3,604.90

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Solution

The fourth proportional to 4,090.90, 6,124.20 and 3,604.90 is: 5,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.90 : 6,124.20 = 3,604.90 : x
  2. Step 2: Convert to fraction form
    4,090.90/6,124.20 = 3,604.90/x
  3. Step 3: Cross multiply
    4,090.90x = 6,124.20 × 3,604.90
  4. Step 4: Simplify right side
    4,090.90x = 22,077,128.58
  5. Step 5: Solve for x
    x = 22,077,128.58/4,090.90
  6. Step 6: Final answer
    x = 5,396.64

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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.