Home / 4,554.20-6,831.30-2,912.60

Finding the Fourth Proportional to 4,554.20, 6,831.30 and 2,912.60

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Solution

The fourth proportional to 4,554.20, 6,831.30 and 2,912.60 is: 4,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.20 : 6,831.30 = 2,912.60 : x
  2. Step 2: Convert to fraction form
    4,554.20/6,831.30 = 2,912.60/x
  3. Step 3: Cross multiply
    4,554.20x = 6,831.30 × 2,912.60
  4. Step 4: Simplify right side
    4,554.20x = 19,896,844.38
  5. Step 5: Solve for x
    x = 19,896,844.38/4,554.20
  6. Step 6: Final answer
    x = 4,368.90

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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.