Home / 7,485.42-11,227.62-4,155.24

Finding the Fourth Proportional to 7,485.42, 11,227.62 and 4,155.24

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Solution

The fourth proportional to 7,485.42, 11,227.62 and 4,155.24 is: 6,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.42 : 11,227.62 = 4,155.24 : x
  2. Step 2: Convert to fraction form
    7,485.42/11,227.62 = 4,155.24/x
  3. Step 3: Cross multiply
    7,485.42x = 11,227.62 × 4,155.24
  4. Step 4: Simplify right side
    7,485.42x = 46,653,455.73
  5. Step 5: Solve for x
    x = 46,653,455.73/7,485.42
  6. Step 6: Final answer
    x = 6,232.58

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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.