Home / 8,971.23-13,455.28-2,729.73

Finding the Fourth Proportional to 8,971.23, 13,455.28 and 2,729.73

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Solution

The fourth proportional to 8,971.23, 13,455.28 and 2,729.73 is: 4,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.23 : 13,455.28 = 2,729.73 : x
  2. Step 2: Convert to fraction form
    8,971.23/13,455.28 = 2,729.73/x
  3. Step 3: Cross multiply
    8,971.23x = 13,455.28 × 2,729.73
  4. Step 4: Simplify right side
    8,971.23x = 36,729,281.47
  5. Step 5: Solve for x
    x = 36,729,281.47/8,971.23
  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.