Home / 7,299.89-10,071.76-4,112.07

Finding the Fourth Proportional to 7,299.89, 10,071.76 and 4,112.07

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Solution

The fourth proportional to 7,299.89, 10,071.76 and 4,112.07 is: 5,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.89 : 10,071.76 = 4,112.07 : x
  2. Step 2: Convert to fraction form
    7,299.89/10,071.76 = 4,112.07/x
  3. Step 3: Cross multiply
    7,299.89x = 10,071.76 × 4,112.07
  4. Step 4: Simplify right side
    7,299.89x = 41,415,782.14
  5. Step 5: Solve for x
    x = 41,415,782.14/7,299.89
  6. Step 6: Final answer
    x = 5,673.48

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