Home / 9,039.78-13,561.65-2,714.39

Finding the Fourth Proportional to 9,039.78, 13,561.65 and 2,714.39

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Solution

The fourth proportional to 9,039.78, 13,561.65 and 2,714.39 is: 4,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.78 : 13,561.65 = 2,714.39 : x
  2. Step 2: Convert to fraction form
    9,039.78/13,561.65 = 2,714.39/x
  3. Step 3: Cross multiply
    9,039.78x = 13,561.65 × 2,714.39
  4. Step 4: Simplify right side
    9,039.78x = 36,811,607.14
  5. Step 5: Solve for x
    x = 36,811,607.14/9,039.78
  6. Step 6: Final answer
    x = 4,072.18

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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.