Home / 4,080.24-6,120.77-1,306.22

Finding the Fourth Proportional to 4,080.24, 6,120.77 and 1,306.22

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Solution

The fourth proportional to 4,080.24, 6,120.77 and 1,306.22 is: 1,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.24 : 6,120.77 = 1,306.22 : x
  2. Step 2: Convert to fraction form
    4,080.24/6,120.77 = 1,306.22/x
  3. Step 3: Cross multiply
    4,080.24x = 6,120.77 × 1,306.22
  4. Step 4: Simplify right side
    4,080.24x = 7,995,072.19
  5. Step 5: Solve for x
    x = 7,995,072.19/4,080.24
  6. Step 6: Final answer
    x = 1,959.46

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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.