Home / 4,305.96-6,450.40-2,840.68

Finding the Fourth Proportional to 4,305.96, 6,450.40 and 2,840.68

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Solution

The fourth proportional to 4,305.96, 6,450.40 and 2,840.68 is: 4,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.96 : 6,450.40 = 2,840.68 : x
  2. Step 2: Convert to fraction form
    4,305.96/6,450.40 = 2,840.68/x
  3. Step 3: Cross multiply
    4,305.96x = 6,450.40 × 2,840.68
  4. Step 4: Simplify right side
    4,305.96x = 18,323,522.27
  5. Step 5: Solve for x
    x = 18,323,522.27/4,305.96
  6. Step 6: Final answer
    x = 4,255.39

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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.