Home / 9,731.50-13,428.44-5,481.88

Finding the Fourth Proportional to 9,731.50, 13,428.44 and 5,481.88

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Solution

The fourth proportional to 9,731.50, 13,428.44 and 5,481.88 is: 7,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731.50 : 13,428.44 = 5,481.88 : x
  2. Step 2: Convert to fraction form
    9,731.50/13,428.44 = 5,481.88/x
  3. Step 3: Cross multiply
    9,731.50x = 13,428.44 × 5,481.88
  4. Step 4: Simplify right side
    9,731.50x = 73,613,096.67
  5. Step 5: Solve for x
    x = 73,613,096.67/9,731.50
  6. Step 6: Final answer
    x = 7,564.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.