Home / 7,035.75-9,709.44-3,891.93

Finding the Fourth Proportional to 7,035.75, 9,709.44 and 3,891.93

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Solution

The fourth proportional to 7,035.75, 9,709.44 and 3,891.93 is: 5,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.75 : 9,709.44 = 3,891.93 : x
  2. Step 2: Convert to fraction form
    7,035.75/9,709.44 = 3,891.93/x
  3. Step 3: Cross multiply
    7,035.75x = 9,709.44 × 3,891.93
  4. Step 4: Simplify right side
    7,035.75x = 37,788,460.82
  5. Step 5: Solve for x
    x = 37,788,460.82/7,035.75
  6. Step 6: Final answer
    x = 5,370.92

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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.