Home / 8,768.28-13,152.42-4,381.32

Finding the Fourth Proportional to 8,768.28, 13,152.42 and 4,381.32

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Solution

The fourth proportional to 8,768.28, 13,152.42 and 4,381.32 is: 6,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.28 : 13,152.42 = 4,381.32 : x
  2. Step 2: Convert to fraction form
    8,768.28/13,152.42 = 4,381.32/x
  3. Step 3: Cross multiply
    8,768.28x = 13,152.42 × 4,381.32
  4. Step 4: Simplify right side
    8,768.28x = 57,624,960.79
  5. Step 5: Solve for x
    x = 57,624,960.79/8,768.28
  6. Step 6: Final answer
    x = 6,571.98

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Similar ratio
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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.