Home / 4,571.91-6,849.63-3,090.15

Finding the Fourth Proportional to 4,571.91, 6,849.63 and 3,090.15

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Solution

The fourth proportional to 4,571.91, 6,849.63 and 3,090.15 is: 4,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,571.91 : 6,849.63 = 3,090.15 : x
  2. Step 2: Convert to fraction form
    4,571.91/6,849.63 = 3,090.15/x
  3. Step 3: Cross multiply
    4,571.91x = 6,849.63 × 3,090.15
  4. Step 4: Simplify right side
    4,571.91x = 21,166,384.14
  5. Step 5: Solve for x
    x = 21,166,384.14/4,571.91
  6. Step 6: Final answer
    x = 4,629.66

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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.