Home / 5,511.60-8,267.26-1,351.57

Finding the Fourth Proportional to 5,511.60, 8,267.26 and 1,351.57

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Solution

The fourth proportional to 5,511.60, 8,267.26 and 1,351.57 is: 2,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.60 : 8,267.26 = 1,351.57 : x
  2. Step 2: Convert to fraction form
    5,511.60/8,267.26 = 1,351.57/x
  3. Step 3: Cross multiply
    5,511.60x = 8,267.26 × 1,351.57
  4. Step 4: Simplify right side
    5,511.60x = 11,173,780.60
  5. Step 5: Solve for x
    x = 11,173,780.60/5,511.60
  6. Step 6: Final answer
    x = 2,027.32

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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.