Home / 8,890.60-13,322.92-4,996.12

Finding the Fourth Proportional to 8,890.60, 13,322.92 and 4,996.12

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Solution

The fourth proportional to 8,890.60, 13,322.92 and 4,996.12 is: 7,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.60 : 13,322.92 = 4,996.12 : x
  2. Step 2: Convert to fraction form
    8,890.60/13,322.92 = 4,996.12/x
  3. Step 3: Cross multiply
    8,890.60x = 13,322.92 × 4,996.12
  4. Step 4: Simplify right side
    8,890.60x = 66,562,907.07
  5. Step 5: Solve for x
    x = 66,562,907.07/8,890.60
  6. Step 6: Final answer
    x = 7,486.89

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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.