Home / 5,455.32-8,185.80-2,535.72

Finding the Fourth Proportional to 5,455.32, 8,185.80 and 2,535.72

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Solution

The fourth proportional to 5,455.32, 8,185.80 and 2,535.72 is: 3,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.32 : 8,185.80 = 2,535.72 : x
  2. Step 2: Convert to fraction form
    5,455.32/8,185.80 = 2,535.72/x
  3. Step 3: Cross multiply
    5,455.32x = 8,185.80 × 2,535.72
  4. Step 4: Simplify right side
    5,455.32x = 20,756,896.78
  5. Step 5: Solve for x
    x = 20,756,896.78/5,455.32
  6. Step 6: Final answer
    x = 3,804.89

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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.