Home / 9,279.37-13,918.86-2,259.44

Finding the Fourth Proportional to 9,279.37, 13,918.86 and 2,259.44

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Solution

The fourth proportional to 9,279.37, 13,918.86 and 2,259.44 is: 3,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.37 : 13,918.86 = 2,259.44 : x
  2. Step 2: Convert to fraction form
    9,279.37/13,918.86 = 2,259.44/x
  3. Step 3: Cross multiply
    9,279.37x = 13,918.86 × 2,259.44
  4. Step 4: Simplify right side
    9,279.37x = 31,448,829.04
  5. Step 5: Solve for x
    x = 31,448,829.04/9,279.37
  6. Step 6: Final answer
    x = 3,389.11

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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.