Home / 4,126.29-6,187.98-1,786.20

Finding the Fourth Proportional to 4,126.29, 6,187.98 and 1,786.20

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Solution

The fourth proportional to 4,126.29, 6,187.98 and 1,786.20 is: 2,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.29 : 6,187.98 = 1,786.20 : x
  2. Step 2: Convert to fraction form
    4,126.29/6,187.98 = 1,786.20/x
  3. Step 3: Cross multiply
    4,126.29x = 6,187.98 × 1,786.20
  4. Step 4: Simplify right side
    4,126.29x = 11,052,969.88
  5. Step 5: Solve for x
    x = 11,052,969.88/4,126.29
  6. Step 6: Final answer
    x = 2,678.67

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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.