Home / 4,080.20-6,120.22-1,307.16

Finding the Fourth Proportional to 4,080.20, 6,120.22 and 1,307.16

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Solution

The fourth proportional to 4,080.20, 6,120.22 and 1,307.16 is: 1,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.20 : 6,120.22 = 1,307.16 : x
  2. Step 2: Convert to fraction form
    4,080.20/6,120.22 = 1,307.16/x
  3. Step 3: Cross multiply
    4,080.20x = 6,120.22 × 1,307.16
  4. Step 4: Simplify right side
    4,080.20x = 8,000,106.78
  5. Step 5: Solve for x
    x = 8,000,106.78/4,080.20
  6. Step 6: Final answer
    x = 1,960.71

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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.