Home / 5,455.26-8,181.75-1,558.62

Finding the Fourth Proportional to 5,455.26, 8,181.75 and 1,558.62

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Solution

The fourth proportional to 5,455.26, 8,181.75 and 1,558.62 is: 2,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.26 : 8,181.75 = 1,558.62 : x
  2. Step 2: Convert to fraction form
    5,455.26/8,181.75 = 1,558.62/x
  3. Step 3: Cross multiply
    5,455.26x = 8,181.75 × 1,558.62
  4. Step 4: Simplify right side
    5,455.26x = 12,752,239.19
  5. Step 5: Solve for x
    x = 12,752,239.19/5,455.26
  6. Step 6: Final answer
    x = 2,337.60

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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.