Home / 8,354.21-12,526.45-3,160.49

Finding the Fourth Proportional to 8,354.21, 12,526.45 and 3,160.49

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Solution

The fourth proportional to 8,354.21, 12,526.45 and 3,160.49 is: 4,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.21 : 12,526.45 = 3,160.49 : x
  2. Step 2: Convert to fraction form
    8,354.21/12,526.45 = 3,160.49/x
  3. Step 3: Cross multiply
    8,354.21x = 12,526.45 × 3,160.49
  4. Step 4: Simplify right side
    8,354.21x = 39,589,719.96
  5. Step 5: Solve for x
    x = 39,589,719.96/8,354.21
  6. Step 6: Final answer
    x = 4,738.89

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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.