Home / 6,828.86-10,235.08-2,878.59

Finding the Fourth Proportional to 6,828.86, 10,235.08 and 2,878.59

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Solution

The fourth proportional to 6,828.86, 10,235.08 and 2,878.59 is: 4,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.86 : 10,235.08 = 2,878.59 : x
  2. Step 2: Convert to fraction form
    6,828.86/10,235.08 = 2,878.59/x
  3. Step 3: Cross multiply
    6,828.86x = 10,235.08 × 2,878.59
  4. Step 4: Simplify right side
    6,828.86x = 29,462,567.15
  5. Step 5: Solve for x
    x = 29,462,567.15/6,828.86
  6. Step 6: Final answer
    x = 4,314.42

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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.