Home / 6,721.14-10,082.52-1,790.88

Finding the Fourth Proportional to 6,721.14, 10,082.52 and 1,790.88

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Solution

The fourth proportional to 6,721.14, 10,082.52 and 1,790.88 is: 2,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.14 : 10,082.52 = 1,790.88 : x
  2. Step 2: Convert to fraction form
    6,721.14/10,082.52 = 1,790.88/x
  3. Step 3: Cross multiply
    6,721.14x = 10,082.52 × 1,790.88
  4. Step 4: Simplify right side
    6,721.14x = 18,056,583.42
  5. Step 5: Solve for x
    x = 18,056,583.42/6,721.14
  6. Step 6: Final answer
    x = 2,686.54

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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.