Home / 9,115.60-13,673.94-2,875.84

Finding the Fourth Proportional to 9,115.60, 13,673.94 and 2,875.84

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Solution

The fourth proportional to 9,115.60, 13,673.94 and 2,875.84 is: 4,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.60 : 13,673.94 = 2,875.84 : x
  2. Step 2: Convert to fraction form
    9,115.60/13,673.94 = 2,875.84/x
  3. Step 3: Cross multiply
    9,115.60x = 13,673.94 × 2,875.84
  4. Step 4: Simplify right side
    9,115.60x = 39,324,063.61
  5. Step 5: Solve for x
    x = 39,324,063.61/9,115.60
  6. Step 6: Final answer
    x = 4,313.93

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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.