Home / 4,267.87-6,440.35-4,136.39

Finding the Fourth Proportional to 4,267.87, 6,440.35 and 4,136.39

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Solution

The fourth proportional to 4,267.87, 6,440.35 and 4,136.39 is: 6,241.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.87 : 6,440.35 = 4,136.39 : x
  2. Step 2: Convert to fraction form
    4,267.87/6,440.35 = 4,136.39/x
  3. Step 3: Cross multiply
    4,267.87x = 6,440.35 × 4,136.39
  4. Step 4: Simplify right side
    4,267.87x = 26,639,783.24
  5. Step 5: Solve for x
    x = 26,639,783.24/4,267.87
  6. Step 6: Final answer
    x = 6,241.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.