Home / 5,805.07-8,012.82-3,709.19

Finding the Fourth Proportional to 5,805.07, 8,012.82 and 3,709.19

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Solution

The fourth proportional to 5,805.07, 8,012.82 and 3,709.19 is: 5,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.07 : 8,012.82 = 3,709.19 : x
  2. Step 2: Convert to fraction form
    5,805.07/8,012.82 = 3,709.19/x
  3. Step 3: Cross multiply
    5,805.07x = 8,012.82 × 3,709.19
  4. Step 4: Simplify right side
    5,805.07x = 29,721,071.82
  5. Step 5: Solve for x
    x = 29,721,071.82/5,805.07
  6. Step 6: Final answer
    x = 5,119.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.