Home / 4,939.74-7,412.54-1,821.93

Finding the Fourth Proportional to 4,939.74, 7,412.54 and 1,821.93

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Solution

The fourth proportional to 4,939.74, 7,412.54 and 1,821.93 is: 2,733.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.74 : 7,412.54 = 1,821.93 : x
  2. Step 2: Convert to fraction form
    4,939.74/7,412.54 = 1,821.93/x
  3. Step 3: Cross multiply
    4,939.74x = 7,412.54 × 1,821.93
  4. Step 4: Simplify right side
    4,939.74x = 13,505,129.00
  5. Step 5: Solve for x
    x = 13,505,129.00/4,939.74
  6. Step 6: Final answer
    x = 2,733.98

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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.