Home / 5,455.86-8,182.37-1,758.53

Finding the Fourth Proportional to 5,455.86, 8,182.37 and 1,758.53

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Solution

The fourth proportional to 5,455.86, 8,182.37 and 1,758.53 is: 2,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.86 : 8,182.37 = 1,758.53 : x
  2. Step 2: Convert to fraction form
    5,455.86/8,182.37 = 1,758.53/x
  3. Step 3: Cross multiply
    5,455.86x = 8,182.37 × 1,758.53
  4. Step 4: Simplify right side
    5,455.86x = 14,388,893.41
  5. Step 5: Solve for x
    x = 14,388,893.41/5,455.86
  6. Step 6: Final answer
    x = 2,637.33

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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.