Home / 8,971.24-13,455.26-2,729.74

Finding the Fourth Proportional to 8,971.24, 13,455.26 and 2,729.74

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Solution

The fourth proportional to 8,971.24, 13,455.26 and 2,729.74 is: 4,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.24 : 13,455.26 = 2,729.74 : x
  2. Step 2: Convert to fraction form
    8,971.24/13,455.26 = 2,729.74/x
  3. Step 3: Cross multiply
    8,971.24x = 13,455.26 × 2,729.74
  4. Step 4: Simplify right side
    8,971.24x = 36,729,361.43
  5. Step 5: Solve for x
    x = 36,729,361.43/8,971.24
  6. Step 6: Final answer
    x = 4,094.12

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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.