Home / 5,435.09-8,153.88-1,972.34

Finding the Fourth Proportional to 5,435.09, 8,153.88 and 1,972.34

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Solution

The fourth proportional to 5,435.09, 8,153.88 and 1,972.34 is: 2,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.09 : 8,153.88 = 1,972.34 : x
  2. Step 2: Convert to fraction form
    5,435.09/8,153.88 = 1,972.34/x
  3. Step 3: Cross multiply
    5,435.09x = 8,153.88 × 1,972.34
  4. Step 4: Simplify right side
    5,435.09x = 16,082,223.68
  5. Step 5: Solve for x
    x = 16,082,223.68/5,435.09
  6. Step 6: Final answer
    x = 2,958.96

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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.