Home / 6,386.73-9,583.92-2,688.72

Finding the Fourth Proportional to 6,386.73, 9,583.92 and 2,688.72

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Solution

The fourth proportional to 6,386.73, 9,583.92 and 2,688.72 is: 4,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.73 : 9,583.92 = 2,688.72 : x
  2. Step 2: Convert to fraction form
    6,386.73/9,583.92 = 2,688.72/x
  3. Step 3: Cross multiply
    6,386.73x = 9,583.92 × 2,688.72
  4. Step 4: Simplify right side
    6,386.73x = 25,768,477.38
  5. Step 5: Solve for x
    x = 25,768,477.38/6,386.73
  6. Step 6: Final answer
    x = 4,034.69

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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.