Home / 4,327.50-6,485.77-2,766.90

Finding the Fourth Proportional to 4,327.50, 6,485.77 and 2,766.90

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Solution

The fourth proportional to 4,327.50, 6,485.77 and 2,766.90 is: 4,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.50 : 6,485.77 = 2,766.90 : x
  2. Step 2: Convert to fraction form
    4,327.50/6,485.77 = 2,766.90/x
  3. Step 3: Cross multiply
    4,327.50x = 6,485.77 × 2,766.90
  4. Step 4: Simplify right side
    4,327.50x = 17,945,477.01
  5. Step 5: Solve for x
    x = 17,945,477.01/4,327.50
  6. Step 6: Final answer
    x = 4,146.85

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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.