Home / 9,638.40-14,464.32-3,720.96

Finding the Fourth Proportional to 9,638.40, 14,464.32 and 3,720.96

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Solution

The fourth proportional to 9,638.40, 14,464.32 and 3,720.96 is: 5,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.40 : 14,464.32 = 3,720.96 : x
  2. Step 2: Convert to fraction form
    9,638.40/14,464.32 = 3,720.96/x
  3. Step 3: Cross multiply
    9,638.40x = 14,464.32 × 3,720.96
  4. Step 4: Simplify right side
    9,638.40x = 53,821,156.15
  5. Step 5: Solve for x
    x = 53,821,156.15/9,638.40
  6. Step 6: Final answer
    x = 5,584.03

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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.