Home / 7,718.07-11,568.74-3,764.83

Finding the Fourth Proportional to 7,718.07, 11,568.74 and 3,764.83

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Solution

The fourth proportional to 7,718.07, 11,568.74 and 3,764.83 is: 5,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.07 : 11,568.74 = 3,764.83 : x
  2. Step 2: Convert to fraction form
    7,718.07/11,568.74 = 3,764.83/x
  3. Step 3: Cross multiply
    7,718.07x = 11,568.74 × 3,764.83
  4. Step 4: Simplify right side
    7,718.07x = 43,554,339.41
  5. Step 5: Solve for x
    x = 43,554,339.41/7,718.07
  6. Step 6: Final answer
    x = 5,643.16

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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.