Home / 7,485.30-11,227.93-2,554.53

Finding the Fourth Proportional to 7,485.30, 11,227.93 and 2,554.53

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Solution

The fourth proportional to 7,485.30, 11,227.93 and 2,554.53 is: 3,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.30 : 11,227.93 = 2,554.53 : x
  2. Step 2: Convert to fraction form
    7,485.30/11,227.93 = 2,554.53/x
  3. Step 3: Cross multiply
    7,485.30x = 11,227.93 × 2,554.53
  4. Step 4: Simplify right side
    7,485.30x = 28,682,084.02
  5. Step 5: Solve for x
    x = 28,682,084.02/7,485.30
  6. Step 6: Final answer
    x = 3,831.79

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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.