Home / 6,813.18-10,215.38-2,867.00

Finding the Fourth Proportional to 6,813.18, 10,215.38 and 2,867.00

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Solution

The fourth proportional to 6,813.18, 10,215.38 and 2,867.00 is: 4,298.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.18 : 10,215.38 = 2,867.00 : x
  2. Step 2: Convert to fraction form
    6,813.18/10,215.38 = 2,867.00/x
  3. Step 3: Cross multiply
    6,813.18x = 10,215.38 × 2,867.00
  4. Step 4: Simplify right side
    6,813.18x = 29,287,450.55
  5. Step 5: Solve for x
    x = 29,287,450.55/6,813.18
  6. Step 6: Final answer
    x = 4,298.65

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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.