Home / 9,355.09-14,034.95-2,781.25

Finding the Fourth Proportional to 9,355.09, 14,034.95 and 2,781.25

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Solution

The fourth proportional to 9,355.09, 14,034.95 and 2,781.25 is: 4,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.09 : 14,034.95 = 2,781.25 : x
  2. Step 2: Convert to fraction form
    9,355.09/14,034.95 = 2,781.25/x
  3. Step 3: Cross multiply
    9,355.09x = 14,034.95 × 2,781.25
  4. Step 4: Simplify right side
    9,355.09x = 39,034,704.69
  5. Step 5: Solve for x
    x = 39,034,704.69/9,355.09
  6. Step 6: Final answer
    x = 4,172.56

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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.