Home / 8,958.96-13,438.69-2,385.15

Finding the Fourth Proportional to 8,958.96, 13,438.69 and 2,385.15

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Solution

The fourth proportional to 8,958.96, 13,438.69 and 2,385.15 is: 3,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.96 : 13,438.69 = 2,385.15 : x
  2. Step 2: Convert to fraction form
    8,958.96/13,438.69 = 2,385.15/x
  3. Step 3: Cross multiply
    8,958.96x = 13,438.69 × 2,385.15
  4. Step 4: Simplify right side
    8,958.96x = 32,053,291.45
  5. Step 5: Solve for x
    x = 32,053,291.45/8,958.96
  6. Step 6: Final answer
    x = 3,577.79

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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.