Home / 5,335.09-8,003.80-1,637.60

Finding the Fourth Proportional to 5,335.09, 8,003.80 and 1,637.60

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Solution

The fourth proportional to 5,335.09, 8,003.80 and 1,637.60 is: 2,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.09 : 8,003.80 = 1,637.60 : x
  2. Step 2: Convert to fraction form
    5,335.09/8,003.80 = 1,637.60/x
  3. Step 3: Cross multiply
    5,335.09x = 8,003.80 × 1,637.60
  4. Step 4: Simplify right side
    5,335.09x = 13,107,022.88
  5. Step 5: Solve for x
    x = 13,107,022.88/5,335.09
  6. Step 6: Final answer
    x = 2,456.76

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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.