Home / 7,718.30-11,576.55-3,276.63

Finding the Fourth Proportional to 7,718.30, 11,576.55 and 3,276.63

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Solution

The fourth proportional to 7,718.30, 11,576.55 and 3,276.63 is: 4,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.30 : 11,576.55 = 3,276.63 : x
  2. Step 2: Convert to fraction form
    7,718.30/11,576.55 = 3,276.63/x
  3. Step 3: Cross multiply
    7,718.30x = 11,576.55 × 3,276.63
  4. Step 4: Simplify right side
    7,718.30x = 37,932,071.03
  5. Step 5: Solve for x
    x = 37,932,071.03/7,718.30
  6. Step 6: Final answer
    x = 4,914.56

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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.