Home / 5,435.58-8,153.37-1,331.58

Finding the Fourth Proportional to 5,435.58, 8,153.37 and 1,331.58

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Solution

The fourth proportional to 5,435.58, 8,153.37 and 1,331.58 is: 1,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.58 : 8,153.37 = 1,331.58 : x
  2. Step 2: Convert to fraction form
    5,435.58/8,153.37 = 1,331.58/x
  3. Step 3: Cross multiply
    5,435.58x = 8,153.37 × 1,331.58
  4. Step 4: Simplify right side
    5,435.58x = 10,856,849.14
  5. Step 5: Solve for x
    x = 10,856,849.14/5,435.58
  6. Step 6: Final answer
    x = 1,997.37

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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.