Home / 6,779.07-10,170.15-2,619.09

Finding the Fourth Proportional to 6,779.07, 10,170.15 and 2,619.09

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Solution

The fourth proportional to 6,779.07, 10,170.15 and 2,619.09 is: 3,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.07 : 10,170.15 = 2,619.09 : x
  2. Step 2: Convert to fraction form
    6,779.07/10,170.15 = 2,619.09/x
  3. Step 3: Cross multiply
    6,779.07x = 10,170.15 × 2,619.09
  4. Step 4: Simplify right side
    6,779.07x = 26,636,538.16
  5. Step 5: Solve for x
    x = 26,636,538.16/6,779.07
  6. Step 6: Final answer
    x = 3,929.23

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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.