Home / 8,765.28-12,096.18-4,786.50

Finding the Fourth Proportional to 8,765.28, 12,096.18 and 4,786.50

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Solution

The fourth proportional to 8,765.28, 12,096.18 and 4,786.50 is: 6,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.28 : 12,096.18 = 4,786.50 : x
  2. Step 2: Convert to fraction form
    8,765.28/12,096.18 = 4,786.50/x
  3. Step 3: Cross multiply
    8,765.28x = 12,096.18 × 4,786.50
  4. Step 4: Simplify right side
    8,765.28x = 57,898,365.57
  5. Step 5: Solve for x
    x = 57,898,365.57/8,765.28
  6. Step 6: Final answer
    x = 6,605.42

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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.