Home / 8,971.51-13,457.80-2,731.73

Finding the Fourth Proportional to 8,971.51, 13,457.80 and 2,731.73

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Solution

The fourth proportional to 8,971.51, 13,457.80 and 2,731.73 is: 4,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.51 : 13,457.80 = 2,731.73 : x
  2. Step 2: Convert to fraction form
    8,971.51/13,457.80 = 2,731.73/x
  3. Step 3: Cross multiply
    8,971.51x = 13,457.80 × 2,731.73
  4. Step 4: Simplify right side
    8,971.51x = 36,762,996.75
  5. Step 5: Solve for x
    x = 36,762,996.75/8,971.51
  6. Step 6: Final answer
    x = 4,097.75

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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.