Home / 4,551.36-6,813.60-3,165.12

Finding the Fourth Proportional to 4,551.36, 6,813.60 and 3,165.12

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Solution

The fourth proportional to 4,551.36, 6,813.60 and 3,165.12 is: 4,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.36 : 6,813.60 = 3,165.12 : x
  2. Step 2: Convert to fraction form
    4,551.36/6,813.60 = 3,165.12/x
  3. Step 3: Cross multiply
    4,551.36x = 6,813.60 × 3,165.12
  4. Step 4: Simplify right side
    4,551.36x = 21,565,861.63
  5. Step 5: Solve for x
    x = 21,565,861.63/4,551.36
  6. Step 6: Final answer
    x = 4,738.33

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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.