Home / 4,720.91-7,082.26-1,798.97

Finding the Fourth Proportional to 4,720.91, 7,082.26 and 1,798.97

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Solution

The fourth proportional to 4,720.91, 7,082.26 and 1,798.97 is: 2,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.91 : 7,082.26 = 1,798.97 : x
  2. Step 2: Convert to fraction form
    4,720.91/7,082.26 = 1,798.97/x
  3. Step 3: Cross multiply
    4,720.91x = 7,082.26 × 1,798.97
  4. Step 4: Simplify right side
    4,720.91x = 12,740,733.36
  5. Step 5: Solve for x
    x = 12,740,733.36/4,720.91
  6. Step 6: Final answer
    x = 2,698.79

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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.