Home / 6,813.83-10,206.37-3,119.16

Finding the Fourth Proportional to 6,813.83, 10,206.37 and 3,119.16

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Solution

The fourth proportional to 6,813.83, 10,206.37 and 3,119.16 is: 4,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.83 : 10,206.37 = 3,119.16 : x
  2. Step 2: Convert to fraction form
    6,813.83/10,206.37 = 3,119.16/x
  3. Step 3: Cross multiply
    6,813.83x = 10,206.37 × 3,119.16
  4. Step 4: Simplify right side
    6,813.83x = 31,835,301.05
  5. Step 5: Solve for x
    x = 31,835,301.05/6,813.83
  6. Step 6: Final answer
    x = 4,672.16

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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.