Home / 6,779.49-10,169.63-2,620.14

Finding the Fourth Proportional to 6,779.49, 10,169.63 and 2,620.14

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Solution

The fourth proportional to 6,779.49, 10,169.63 and 2,620.14 is: 3,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.49 : 10,169.63 = 2,620.14 : x
  2. Step 2: Convert to fraction form
    6,779.49/10,169.63 = 2,620.14/x
  3. Step 3: Cross multiply
    6,779.49x = 10,169.63 × 2,620.14
  4. Step 4: Simplify right side
    6,779.49x = 26,645,854.35
  5. Step 5: Solve for x
    x = 26,645,854.35/6,779.49
  6. Step 6: Final answer
    x = 3,930.36

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1.5x scale

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.