Home / 6,490.26-9,732.69-2,790.54

Finding the Fourth Proportional to 6,490.26, 9,732.69 and 2,790.54

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Solution

The fourth proportional to 6,490.26, 9,732.69 and 2,790.54 is: 4,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.26 : 9,732.69 = 2,790.54 : x
  2. Step 2: Convert to fraction form
    6,490.26/9,732.69 = 2,790.54/x
  3. Step 3: Cross multiply
    6,490.26x = 9,732.69 × 2,790.54
  4. Step 4: Simplify right side
    6,490.26x = 27,159,460.75
  5. Step 5: Solve for x
    x = 27,159,460.75/6,490.26
  6. Step 6: Final answer
    x = 4,184.65

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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.