Home / 5,905.11-8,148.45-3,636.09

Finding the Fourth Proportional to 5,905.11, 8,148.45 and 3,636.09

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Solution

The fourth proportional to 5,905.11, 8,148.45 and 3,636.09 is: 5,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.11 : 8,148.45 = 3,636.09 : x
  2. Step 2: Convert to fraction form
    5,905.11/8,148.45 = 3,636.09/x
  3. Step 3: Cross multiply
    5,905.11x = 8,148.45 × 3,636.09
  4. Step 4: Simplify right side
    5,905.11x = 29,628,479.38
  5. Step 5: Solve for x
    x = 29,628,479.38/5,905.11
  6. Step 6: Final answer
    x = 5,017.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.