Home / 4,912.69-6,779.45-2,674.59

Finding the Fourth Proportional to 4,912.69, 6,779.45 and 2,674.59

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Solution

The fourth proportional to 4,912.69, 6,779.45 and 2,674.59 is: 3,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.69 : 6,779.45 = 2,674.59 : x
  2. Step 2: Convert to fraction form
    4,912.69/6,779.45 = 2,674.59/x
  3. Step 3: Cross multiply
    4,912.69x = 6,779.45 × 2,674.59
  4. Step 4: Simplify right side
    4,912.69x = 18,132,201.91
  5. Step 5: Solve for x
    x = 18,132,201.91/4,912.69
  6. Step 6: Final answer
    x = 3,690.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.