Home / 5,361.05-8,042.90-1,663.81

Finding the Fourth Proportional to 5,361.05, 8,042.90 and 1,663.81

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Solution

The fourth proportional to 5,361.05, 8,042.90 and 1,663.81 is: 2,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.05 : 8,042.90 = 1,663.81 : x
  2. Step 2: Convert to fraction form
    5,361.05/8,042.90 = 1,663.81/x
  3. Step 3: Cross multiply
    5,361.05x = 8,042.90 × 1,663.81
  4. Step 4: Simplify right side
    5,361.05x = 13,381,829.02
  5. Step 5: Solve for x
    x = 13,381,829.02/5,361.05
  6. Step 6: Final answer
    x = 2,496.12

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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.