Home / 4,187.55-5,778.89-2,299.21

Finding the Fourth Proportional to 4,187.55, 5,778.89 and 2,299.21

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Solution

The fourth proportional to 4,187.55, 5,778.89 and 2,299.21 is: 3,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.55 : 5,778.89 = 2,299.21 : x
  2. Step 2: Convert to fraction form
    4,187.55/5,778.89 = 2,299.21/x
  3. Step 3: Cross multiply
    4,187.55x = 5,778.89 × 2,299.21
  4. Step 4: Simplify right side
    4,187.55x = 13,286,896.03
  5. Step 5: Solve for x
    x = 13,286,896.03/4,187.55
  6. Step 6: Final answer
    x = 3,172.95

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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.