Home / 9,278.35-13,918.08-3,039.02

Finding the Fourth Proportional to 9,278.35, 13,918.08 and 3,039.02

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Solution

The fourth proportional to 9,278.35, 13,918.08 and 3,039.02 is: 4,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.35 : 13,918.08 = 3,039.02 : x
  2. Step 2: Convert to fraction form
    9,278.35/13,918.08 = 3,039.02/x
  3. Step 3: Cross multiply
    9,278.35x = 13,918.08 × 3,039.02
  4. Step 4: Simplify right side
    9,278.35x = 42,297,323.48
  5. Step 5: Solve for x
    x = 42,297,323.48/9,278.35
  6. Step 6: Final answer
    x = 4,558.71

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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.