Home / 4,261.26-6,389.85-1,487.59

Finding the Fourth Proportional to 4,261.26, 6,389.85 and 1,487.59

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Solution

The fourth proportional to 4,261.26, 6,389.85 and 1,487.59 is: 2,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.26 : 6,389.85 = 1,487.59 : x
  2. Step 2: Convert to fraction form
    4,261.26/6,389.85 = 1,487.59/x
  3. Step 3: Cross multiply
    4,261.26x = 6,389.85 × 1,487.59
  4. Step 4: Simplify right side
    4,261.26x = 9,505,476.96
  5. Step 5: Solve for x
    x = 9,505,476.96/4,261.26
  6. Step 6: Final answer
    x = 2,230.67

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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.