Home / 6,879.67-10,312.49-2,713.95

Finding the Fourth Proportional to 6,879.67, 10,312.49 and 2,713.95

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Solution

The fourth proportional to 6,879.67, 10,312.49 and 2,713.95 is: 4,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.67 : 10,312.49 = 2,713.95 : x
  2. Step 2: Convert to fraction form
    6,879.67/10,312.49 = 2,713.95/x
  3. Step 3: Cross multiply
    6,879.67x = 10,312.49 × 2,713.95
  4. Step 4: Simplify right side
    6,879.67x = 27,987,589.02
  5. Step 5: Solve for x
    x = 27,987,589.02/6,879.67
  6. Step 6: Final answer
    x = 4,068.16

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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.