Home / 4,188.57-6,282.84-1,267.11

Finding the Fourth Proportional to 4,188.57, 6,282.84 and 1,267.11

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Solution

The fourth proportional to 4,188.57, 6,282.84 and 1,267.11 is: 1,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.57 : 6,282.84 = 1,267.11 : x
  2. Step 2: Convert to fraction form
    4,188.57/6,282.84 = 1,267.11/x
  3. Step 3: Cross multiply
    4,188.57x = 6,282.84 × 1,267.11
  4. Step 4: Simplify right side
    4,188.57x = 7,961,049.39
  5. Step 5: Solve for x
    x = 7,961,049.39/4,188.57
  6. Step 6: Final answer
    x = 1,900.66

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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.