Home / 4,727.88-7,090.91-1,805.49

Finding the Fourth Proportional to 4,727.88, 7,090.91 and 1,805.49

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Solution

The fourth proportional to 4,727.88, 7,090.91 and 1,805.49 is: 2,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.88 : 7,090.91 = 1,805.49 : x
  2. Step 2: Convert to fraction form
    4,727.88/7,090.91 = 1,805.49/x
  3. Step 3: Cross multiply
    4,727.88x = 7,090.91 × 1,805.49
  4. Step 4: Simplify right side
    4,727.88x = 12,802,558.07
  5. Step 5: Solve for x
    x = 12,802,558.07/4,727.88
  6. Step 6: Final answer
    x = 2,707.89

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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.