Home / 5,435.50-8,153.26-1,331.50

Finding the Fourth Proportional to 5,435.50, 8,153.26 and 1,331.50

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Solution

The fourth proportional to 5,435.50, 8,153.26 and 1,331.50 is: 1,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.50 : 8,153.26 = 1,331.50 : x
  2. Step 2: Convert to fraction form
    5,435.50/8,153.26 = 1,331.50/x
  3. Step 3: Cross multiply
    5,435.50x = 8,153.26 × 1,331.50
  4. Step 4: Simplify right side
    5,435.50x = 10,856,065.69
  5. Step 5: Solve for x
    x = 10,856,065.69/5,435.50
  6. Step 6: Final answer
    x = 1,997.25

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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.