Home / 4,080.98-6,119.46-1,307

Finding the Fourth Proportional to 4,080.98, 6,119.46 and 1,307

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Solution

The fourth proportional to 4,080.98, 6,119.46 and 1,307 is: 1,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.98 : 6,119.46 = 1,307 : x
  2. Step 2: Convert to fraction form
    4,080.98/6,119.46 = 1,307/x
  3. Step 3: Cross multiply
    4,080.98x = 6,119.46 × 1,307
  4. Step 4: Simplify right side
    4,080.98x = 7,998,134.22
  5. Step 5: Solve for x
    x = 7,998,134.22/4,080.98
  6. Step 6: Final answer
    x = 1,959.86

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Double scale
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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.