Home / 8,291.28-12,436.51-3,096.75

Finding the Fourth Proportional to 8,291.28, 12,436.51 and 3,096.75

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Solution

The fourth proportional to 8,291.28, 12,436.51 and 3,096.75 is: 4,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.28 : 12,436.51 = 3,096.75 : x
  2. Step 2: Convert to fraction form
    8,291.28/12,436.51 = 3,096.75/x
  3. Step 3: Cross multiply
    8,291.28x = 12,436.51 × 3,096.75
  4. Step 4: Simplify right side
    8,291.28x = 38,512,762.34
  5. Step 5: Solve for x
    x = 38,512,762.34/8,291.28
  6. Step 6: Final answer
    x = 4,644.97

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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.