Home / 8,958.87-13,438.33-2,718.93

Finding the Fourth Proportional to 8,958.87, 13,438.33 and 2,718.93

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Solution

The fourth proportional to 8,958.87, 13,438.33 and 2,718.93 is: 4,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.87 : 13,438.33 = 2,718.93 : x
  2. Step 2: Convert to fraction form
    8,958.87/13,438.33 = 2,718.93/x
  3. Step 3: Cross multiply
    8,958.87x = 13,438.33 × 2,718.93
  4. Step 4: Simplify right side
    8,958.87x = 36,537,878.59
  5. Step 5: Solve for x
    x = 36,537,878.59/8,958.87
  6. Step 6: Final answer
    x = 4,078.40

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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.