Home / 4,082.01-6,121.26-1,307.76

Finding the Fourth Proportional to 4,082.01, 6,121.26 and 1,307.76

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Solution

The fourth proportional to 4,082.01, 6,121.26 and 1,307.76 is: 1,961.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.01 : 6,121.26 = 1,307.76 : x
  2. Step 2: Convert to fraction form
    4,082.01/6,121.26 = 1,307.76/x
  3. Step 3: Cross multiply
    4,082.01x = 6,121.26 × 1,307.76
  4. Step 4: Simplify right side
    4,082.01x = 8,005,138.98
  5. Step 5: Solve for x
    x = 8,005,138.98/4,082.01
  6. Step 6: Final answer
    x = 1,961.08

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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.