Home / 6,678.09-10,019.45-2,519.29

Finding the Fourth Proportional to 6,678.09, 10,019.45 and 2,519.29

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Solution

The fourth proportional to 6,678.09, 10,019.45 and 2,519.29 is: 3,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.09 : 10,019.45 = 2,519.29 : x
  2. Step 2: Convert to fraction form
    6,678.09/10,019.45 = 2,519.29/x
  3. Step 3: Cross multiply
    6,678.09x = 10,019.45 × 2,519.29
  4. Step 4: Simplify right side
    6,678.09x = 25,241,900.19
  5. Step 5: Solve for x
    x = 25,241,900.19/6,678.09
  6. Step 6: Final answer
    x = 3,779.81

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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.