Home / 9,020.73-12,452.44-5,485.07

Finding the Fourth Proportional to 9,020.73, 12,452.44 and 5,485.07

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Solution

The fourth proportional to 9,020.73, 12,452.44 and 5,485.07 is: 7,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.73 : 12,452.44 = 5,485.07 : x
  2. Step 2: Convert to fraction form
    9,020.73/12,452.44 = 5,485.07/x
  3. Step 3: Cross multiply
    9,020.73x = 12,452.44 × 5,485.07
  4. Step 4: Simplify right side
    9,020.73x = 68,302,415.38
  5. Step 5: Solve for x
    x = 68,302,415.38/9,020.73
  6. Step 6: Final answer
    x = 7,571.72

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Double scale
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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.