Home / 4,933.40-7,399.86-1,646.40

Finding the Fourth Proportional to 4,933.40, 7,399.86 and 1,646.40

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Solution

The fourth proportional to 4,933.40, 7,399.86 and 1,646.40 is: 2,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.40 : 7,399.86 = 1,646.40 : x
  2. Step 2: Convert to fraction form
    4,933.40/7,399.86 = 1,646.40/x
  3. Step 3: Cross multiply
    4,933.40x = 7,399.86 × 1,646.40
  4. Step 4: Simplify right side
    4,933.40x = 12,183,129.50
  5. Step 5: Solve for x
    x = 12,183,129.50/4,933.40
  6. Step 6: Final answer
    x = 2,469.52

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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.