Home / 9,279.22-13,918.47-3,039.70

Finding the Fourth Proportional to 9,279.22, 13,918.47 and 3,039.70

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Solution

The fourth proportional to 9,279.22, 13,918.47 and 3,039.70 is: 4,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.22 : 13,918.47 = 3,039.70 : x
  2. Step 2: Convert to fraction form
    9,279.22/13,918.47 = 3,039.70/x
  3. Step 3: Cross multiply
    9,279.22x = 13,918.47 × 3,039.70
  4. Step 4: Simplify right side
    9,279.22x = 42,307,973.26
  5. Step 5: Solve for x
    x = 42,307,973.26/9,279.22
  6. Step 6: Final answer
    x = 4,559.43

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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.