Home / 8,971.09-13,457.32-2,731.63

Finding the Fourth Proportional to 8,971.09, 13,457.32 and 2,731.63

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Solution

The fourth proportional to 8,971.09, 13,457.32 and 2,731.63 is: 4,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.09 : 13,457.32 = 2,731.63 : x
  2. Step 2: Convert to fraction form
    8,971.09/13,457.32 = 2,731.63/x
  3. Step 3: Cross multiply
    8,971.09x = 13,457.32 × 2,731.63
  4. Step 4: Simplify right side
    8,971.09x = 36,760,419.03
  5. Step 5: Solve for x
    x = 36,760,419.03/8,971.09
  6. Step 6: Final answer
    x = 4,097.65

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1.5x scale

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.