Home / 6,812.90-10,211.75-2,650.92

Finding the Fourth Proportional to 6,812.90, 10,211.75 and 2,650.92

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Solution

The fourth proportional to 6,812.90, 10,211.75 and 2,650.92 is: 3,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.90 : 10,211.75 = 2,650.92 : x
  2. Step 2: Convert to fraction form
    6,812.90/10,211.75 = 2,650.92/x
  3. Step 3: Cross multiply
    6,812.90x = 10,211.75 × 2,650.92
  4. Step 4: Simplify right side
    6,812.90x = 27,070,532.31
  5. Step 5: Solve for x
    x = 27,070,532.31/6,812.90
  6. Step 6: Final answer
    x = 3,973.42

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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.