Home / 6,513.08-9,769.30-2,129.96

Finding the Fourth Proportional to 6,513.08, 9,769.30 and 2,129.96

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Solution

The fourth proportional to 6,513.08, 9,769.30 and 2,129.96 is: 3,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.08 : 9,769.30 = 2,129.96 : x
  2. Step 2: Convert to fraction form
    6,513.08/9,769.30 = 2,129.96/x
  3. Step 3: Cross multiply
    6,513.08x = 9,769.30 × 2,129.96
  4. Step 4: Simplify right side
    6,513.08x = 20,808,218.23
  5. Step 5: Solve for x
    x = 20,808,218.23/6,513.08
  6. Step 6: Final answer
    x = 3,194.84

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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.