Home / 4,267.22-6,400.76-1,928.27

Finding the Fourth Proportional to 4,267.22, 6,400.76 and 1,928.27

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Solution

The fourth proportional to 4,267.22, 6,400.76 and 1,928.27 is: 2,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.22 : 6,400.76 = 1,928.27 : x
  2. Step 2: Convert to fraction form
    4,267.22/6,400.76 = 1,928.27/x
  3. Step 3: Cross multiply
    4,267.22x = 6,400.76 × 1,928.27
  4. Step 4: Simplify right side
    4,267.22x = 12,342,399.85
  5. Step 5: Solve for x
    x = 12,342,399.85/4,267.22
  6. Step 6: Final answer
    x = 2,892.38

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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.