Home / 6,653.40-9,969.30-4,183.80

Finding the Fourth Proportional to 6,653.40, 9,969.30 and 4,183.80

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Solution

The fourth proportional to 6,653.40, 9,969.30 and 4,183.80 is: 6,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.40 : 9,969.30 = 4,183.80 : x
  2. Step 2: Convert to fraction form
    6,653.40/9,969.30 = 4,183.80/x
  3. Step 3: Cross multiply
    6,653.40x = 9,969.30 × 4,183.80
  4. Step 4: Simplify right side
    6,653.40x = 41,709,557.34
  5. Step 5: Solve for x
    x = 41,709,557.34/6,653.40
  6. Step 6: Final answer
    x = 6,268.91

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1.5x scale

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.