Home / 7,745.56-11,618.85-2,199.32

Finding the Fourth Proportional to 7,745.56, 11,618.85 and 2,199.32

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Solution

The fourth proportional to 7,745.56, 11,618.85 and 2,199.32 is: 3,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.56 : 11,618.85 = 2,199.32 : x
  2. Step 2: Convert to fraction form
    7,745.56/11,618.85 = 2,199.32/x
  3. Step 3: Cross multiply
    7,745.56x = 11,618.85 × 2,199.32
  4. Step 4: Simplify right side
    7,745.56x = 25,553,569.18
  5. Step 5: Solve for x
    x = 25,553,569.18/7,745.56
  6. Step 6: Final answer
    x = 3,299.12

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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.