Home / 7,012.40-10,512.48-2,628.68

Finding the Fourth Proportional to 7,012.40, 10,512.48 and 2,628.68

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Solution

The fourth proportional to 7,012.40, 10,512.48 and 2,628.68 is: 3,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.40 : 10,512.48 = 2,628.68 : x
  2. Step 2: Convert to fraction form
    7,012.40/10,512.48 = 2,628.68/x
  3. Step 3: Cross multiply
    7,012.40x = 10,512.48 × 2,628.68
  4. Step 4: Simplify right side
    7,012.40x = 27,633,945.93
  5. Step 5: Solve for x
    x = 27,633,945.93/7,012.40
  6. Step 6: Final answer
    x = 3,940.73

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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.