Home / 5,406.91-8,110.38-1,511.35

Finding the Fourth Proportional to 5,406.91, 8,110.38 and 1,511.35

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Solution

The fourth proportional to 5,406.91, 8,110.38 and 1,511.35 is: 2,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.91 : 8,110.38 = 1,511.35 : x
  2. Step 2: Convert to fraction form
    5,406.91/8,110.38 = 1,511.35/x
  3. Step 3: Cross multiply
    5,406.91x = 8,110.38 × 1,511.35
  4. Step 4: Simplify right side
    5,406.91x = 12,257,622.81
  5. Step 5: Solve for x
    x = 12,257,622.81/5,406.91
  6. Step 6: Final answer
    x = 2,267.03

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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.