Home / 8,923.56-13,388.04-3,378.60

Finding the Fourth Proportional to 8,923.56, 13,388.04 and 3,378.60

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Solution

The fourth proportional to 8,923.56, 13,388.04 and 3,378.60 is: 5,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.56 : 13,388.04 = 3,378.60 : x
  2. Step 2: Convert to fraction form
    8,923.56/13,388.04 = 3,378.60/x
  3. Step 3: Cross multiply
    8,923.56x = 13,388.04 × 3,378.60
  4. Step 4: Simplify right side
    8,923.56x = 45,232,831.94
  5. Step 5: Solve for x
    x = 45,232,831.94/8,923.56
  6. Step 6: Final answer
    x = 5,068.92

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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.