Home / 4,082.39-6,119.69-1,307.27

Finding the Fourth Proportional to 4,082.39, 6,119.69 and 1,307.27

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Solution

The fourth proportional to 4,082.39, 6,119.69 and 1,307.27 is: 1,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.39 : 6,119.69 = 1,307.27 : x
  2. Step 2: Convert to fraction form
    4,082.39/6,119.69 = 1,307.27/x
  3. Step 3: Cross multiply
    4,082.39x = 6,119.69 × 1,307.27
  4. Step 4: Simplify right side
    4,082.39x = 8,000,087.15
  5. Step 5: Solve for x
    x = 8,000,087.15/4,082.39
  6. Step 6: Final answer
    x = 1,959.66

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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.