Home / 6,911.12-10,360.92-3,012.68

Finding the Fourth Proportional to 6,911.12, 10,360.92 and 3,012.68

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Solution

The fourth proportional to 6,911.12, 10,360.92 and 3,012.68 is: 4,516.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.12 : 10,360.92 = 3,012.68 : x
  2. Step 2: Convert to fraction form
    6,911.12/10,360.92 = 3,012.68/x
  3. Step 3: Cross multiply
    6,911.12x = 10,360.92 × 3,012.68
  4. Step 4: Simplify right side
    6,911.12x = 31,214,136.47
  5. Step 5: Solve for x
    x = 31,214,136.47/6,911.12
  6. Step 6: Final answer
    x = 4,516.51

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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.