Home / 4,002.22-6,002.90-1,080.82

Finding the Fourth Proportional to 4,002.22, 6,002.90 and 1,080.82

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Solution

The fourth proportional to 4,002.22, 6,002.90 and 1,080.82 is: 1,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.22 : 6,002.90 = 1,080.82 : x
  2. Step 2: Convert to fraction form
    4,002.22/6,002.90 = 1,080.82/x
  3. Step 3: Cross multiply
    4,002.22x = 6,002.90 × 1,080.82
  4. Step 4: Simplify right side
    4,002.22x = 6,488,054.38
  5. Step 5: Solve for x
    x = 6,488,054.38/4,002.22
  6. Step 6: Final answer
    x = 1,621.11

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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.