Home / 4,082.13-6,119.85-1,307.07

Finding the Fourth Proportional to 4,082.13, 6,119.85 and 1,307.07

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Solution

The fourth proportional to 4,082.13, 6,119.85 and 1,307.07 is: 1,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.13 : 6,119.85 = 1,307.07 : x
  2. Step 2: Convert to fraction form
    4,082.13/6,119.85 = 1,307.07/x
  3. Step 3: Cross multiply
    4,082.13x = 6,119.85 × 1,307.07
  4. Step 4: Simplify right side
    4,082.13x = 7,999,072.34
  5. Step 5: Solve for x
    x = 7,999,072.34/4,082.13
  6. Step 6: Final answer
    x = 1,959.53

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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.