Home / 4,909.08-7,365.59-1,789.31

Finding the Fourth Proportional to 4,909.08, 7,365.59 and 1,789.31

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Solution

The fourth proportional to 4,909.08, 7,365.59 and 1,789.31 is: 2,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.08 : 7,365.59 = 1,789.31 : x
  2. Step 2: Convert to fraction form
    4,909.08/7,365.59 = 1,789.31/x
  3. Step 3: Cross multiply
    4,909.08x = 7,365.59 × 1,789.31
  4. Step 4: Simplify right side
    4,909.08x = 13,179,340.02
  5. Step 5: Solve for x
    x = 13,179,340.02/4,909.08
  6. Step 6: Final answer
    x = 2,684.68

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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.