Home / 5,538.09-8,308.77-1,642.62

Finding the Fourth Proportional to 5,538.09, 8,308.77 and 1,642.62

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Solution

The fourth proportional to 5,538.09, 8,308.77 and 1,642.62 is: 2,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.09 : 8,308.77 = 1,642.62 : x
  2. Step 2: Convert to fraction form
    5,538.09/8,308.77 = 1,642.62/x
  3. Step 3: Cross multiply
    5,538.09x = 8,308.77 × 1,642.62
  4. Step 4: Simplify right side
    5,538.09x = 13,648,151.78
  5. Step 5: Solve for x
    x = 13,648,151.78/5,538.09
  6. Step 6: Final answer
    x = 2,464.41

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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.