Home / 9,319.09-13,981.07-3,475.75

Finding the Fourth Proportional to 9,319.09, 13,981.07 and 3,475.75

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Solution

The fourth proportional to 9,319.09, 13,981.07 and 3,475.75 is: 5,214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.09 : 13,981.07 = 3,475.75 : x
  2. Step 2: Convert to fraction form
    9,319.09/13,981.07 = 3,475.75/x
  3. Step 3: Cross multiply
    9,319.09x = 13,981.07 × 3,475.75
  4. Step 4: Simplify right side
    9,319.09x = 48,594,704.05
  5. Step 5: Solve for x
    x = 48,594,704.05/9,319.09
  6. Step 6: Final answer
    x = 5,214.53

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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.