Home / 9,279.09-13,917.22-3,039.75

Finding the Fourth Proportional to 9,279.09, 13,917.22 and 3,039.75

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Solution

The fourth proportional to 9,279.09, 13,917.22 and 3,039.75 is: 4,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.09 : 13,917.22 = 3,039.75 : x
  2. Step 2: Convert to fraction form
    9,279.09/13,917.22 = 3,039.75/x
  3. Step 3: Cross multiply
    9,279.09x = 13,917.22 × 3,039.75
  4. Step 4: Simplify right side
    9,279.09x = 42,304,869.50
  5. Step 5: Solve for x
    x = 42,304,869.50/9,279.09
  6. Step 6: Final answer
    x = 4,559.16

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1.5x scale

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.