Home / 5,495.78-8,243.54-1,335.81

Finding the Fourth Proportional to 5,495.78, 8,243.54 and 1,335.81

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Solution

The fourth proportional to 5,495.78, 8,243.54 and 1,335.81 is: 2,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.78 : 8,243.54 = 1,335.81 : x
  2. Step 2: Convert to fraction form
    5,495.78/8,243.54 = 1,335.81/x
  3. Step 3: Cross multiply
    5,495.78x = 8,243.54 × 1,335.81
  4. Step 4: Simplify right side
    5,495.78x = 11,011,765.29
  5. Step 5: Solve for x
    x = 11,011,765.29/5,495.78
  6. Step 6: Final answer
    x = 2,003.68

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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.