Home / 4,456.08-6,690.60-3,289.68

Finding the Fourth Proportional to 4,456.08, 6,690.60 and 3,289.68

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Solution

The fourth proportional to 4,456.08, 6,690.60 and 3,289.68 is: 4,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.08 : 6,690.60 = 3,289.68 : x
  2. Step 2: Convert to fraction form
    4,456.08/6,690.60 = 3,289.68/x
  3. Step 3: Cross multiply
    4,456.08x = 6,690.60 × 3,289.68
  4. Step 4: Simplify right side
    4,456.08x = 22,009,933.01
  5. Step 5: Solve for x
    x = 22,009,933.01/4,456.08
  6. Step 6: Final answer
    x = 4,939.30

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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.