Home / 8,958.28-13,436.34-3,114.40

Finding the Fourth Proportional to 8,958.28, 13,436.34 and 3,114.40

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Solution

The fourth proportional to 8,958.28, 13,436.34 and 3,114.40 is: 4,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.28 : 13,436.34 = 3,114.40 : x
  2. Step 2: Convert to fraction form
    8,958.28/13,436.34 = 3,114.40/x
  3. Step 3: Cross multiply
    8,958.28x = 13,436.34 × 3,114.40
  4. Step 4: Simplify right side
    8,958.28x = 41,846,137.30
  5. Step 5: Solve for x
    x = 41,846,137.30/8,958.28
  6. Step 6: Final answer
    x = 4,671.22

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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.