Home / 9,214.56-13,819.01-2,638.98

Finding the Fourth Proportional to 9,214.56, 13,819.01 and 2,638.98

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Solution

The fourth proportional to 9,214.56, 13,819.01 and 2,638.98 is: 3,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.56 : 13,819.01 = 2,638.98 : x
  2. Step 2: Convert to fraction form
    9,214.56/13,819.01 = 2,638.98/x
  3. Step 3: Cross multiply
    9,214.56x = 13,819.01 × 2,638.98
  4. Step 4: Simplify right side
    9,214.56x = 36,468,077.81
  5. Step 5: Solve for x
    x = 36,468,077.81/9,214.56
  6. Step 6: Final answer
    x = 3,957.66

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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.