Home / 6,829.90-10,239.12-2,146.96

Finding the Fourth Proportional to 6,829.90, 10,239.12 and 2,146.96

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Solution

The fourth proportional to 6,829.90, 10,239.12 and 2,146.96 is: 3,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.90 : 10,239.12 = 2,146.96 : x
  2. Step 2: Convert to fraction form
    6,829.90/10,239.12 = 2,146.96/x
  3. Step 3: Cross multiply
    6,829.90x = 10,239.12 × 2,146.96
  4. Step 4: Simplify right side
    6,829.90x = 21,982,981.08
  5. Step 5: Solve for x
    x = 21,982,981.08/6,829.90
  6. Step 6: Final answer
    x = 3,218.64

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1.5x scale

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.