Home / 5,406.92-8,110.23-1,511.21

Finding the Fourth Proportional to 5,406.92, 8,110.23 and 1,511.21

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Solution

The fourth proportional to 5,406.92, 8,110.23 and 1,511.21 is: 2,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.92 : 8,110.23 = 1,511.21 : x
  2. Step 2: Convert to fraction form
    5,406.92/8,110.23 = 1,511.21/x
  3. Step 3: Cross multiply
    5,406.92x = 8,110.23 × 1,511.21
  4. Step 4: Simplify right side
    5,406.92x = 12,256,260.68
  5. Step 5: Solve for x
    x = 12,256,260.68/5,406.92
  6. Step 6: Final answer
    x = 2,266.77

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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.