Home / 6,829-10,242.58-2,666.10

Finding the Fourth Proportional to 6,829, 10,242.58 and 2,666.10

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Solution

The fourth proportional to 6,829, 10,242.58 and 2,666.10 is: 3,998.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829 : 10,242.58 = 2,666.10 : x
  2. Step 2: Convert to fraction form
    6,829/10,242.58 = 2,666.10/x
  3. Step 3: Cross multiply
    6,829x = 10,242.58 × 2,666.10
  4. Step 4: Simplify right side
    6,829x = 27,307,742.54
  5. Step 5: Solve for x
    x = 27,307,742.54/6,829
  6. Step 6: Final answer
    x = 3,998.79

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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.