Home / 8,936.64-13,407.84-3,741.12

Finding the Fourth Proportional to 8,936.64, 13,407.84 and 3,741.12

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Solution

The fourth proportional to 8,936.64, 13,407.84 and 3,741.12 is: 5,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.64 : 13,407.84 = 3,741.12 : x
  2. Step 2: Convert to fraction form
    8,936.64/13,407.84 = 3,741.12/x
  3. Step 3: Cross multiply
    8,936.64x = 13,407.84 × 3,741.12
  4. Step 4: Simplify right side
    8,936.64x = 50,160,338.38
  5. Step 5: Solve for x
    x = 50,160,338.38/8,936.64
  6. Step 6: Final answer
    x = 5,612.89

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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.