Home / 5,382.07-8,071.57-2,262.78

Finding the Fourth Proportional to 5,382.07, 8,071.57 and 2,262.78

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Solution

The fourth proportional to 5,382.07, 8,071.57 and 2,262.78 is: 3,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.07 : 8,071.57 = 2,262.78 : x
  2. Step 2: Convert to fraction form
    5,382.07/8,071.57 = 2,262.78/x
  3. Step 3: Cross multiply
    5,382.07x = 8,071.57 × 2,262.78
  4. Step 4: Simplify right side
    5,382.07x = 18,264,150.82
  5. Step 5: Solve for x
    x = 18,264,150.82/5,382.07
  6. Step 6: Final answer
    x = 3,393.52

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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.