Home / 8,972.21-13,447.78-4,036.07

Finding the Fourth Proportional to 8,972.21, 13,447.78 and 4,036.07

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Solution

The fourth proportional to 8,972.21, 13,447.78 and 4,036.07 is: 6,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.21 : 13,447.78 = 4,036.07 : x
  2. Step 2: Convert to fraction form
    8,972.21/13,447.78 = 4,036.07/x
  3. Step 3: Cross multiply
    8,972.21x = 13,447.78 × 4,036.07
  4. Step 4: Simplify right side
    8,972.21x = 54,276,181.42
  5. Step 5: Solve for x
    x = 54,276,181.42/8,972.21
  6. Step 6: Final answer
    x = 6,049.37

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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.