Home / 8,971.56-13,460.40-2,731.68

Finding the Fourth Proportional to 8,971.56, 13,460.40 and 2,731.68

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Solution

The fourth proportional to 8,971.56, 13,460.40 and 2,731.68 is: 4,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.56 : 13,460.40 = 2,731.68 : x
  2. Step 2: Convert to fraction form
    8,971.56/13,460.40 = 2,731.68/x
  3. Step 3: Cross multiply
    8,971.56x = 13,460.40 × 2,731.68
  4. Step 4: Simplify right side
    8,971.56x = 36,769,505.47
  5. Step 5: Solve for x
    x = 36,769,505.47/8,971.56
  6. Step 6: Final answer
    x = 4,098.45

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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.