Home / 4,485.60-6,187.05-2,715.75

Finding the Fourth Proportional to 4,485.60, 6,187.05 and 2,715.75

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Solution

The fourth proportional to 4,485.60, 6,187.05 and 2,715.75 is: 3,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.60 : 6,187.05 = 2,715.75 : x
  2. Step 2: Convert to fraction form
    4,485.60/6,187.05 = 2,715.75/x
  3. Step 3: Cross multiply
    4,485.60x = 6,187.05 × 2,715.75
  4. Step 4: Simplify right side
    4,485.60x = 16,802,481.04
  5. Step 5: Solve for x
    x = 16,802,481.04/4,485.60
  6. Step 6: Final answer
    x = 3,745.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.