Home / 5,433.10-8,133.45-5,112.70

Finding the Fourth Proportional to 5,433.10, 8,133.45 and 5,112.70

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Solution

The fourth proportional to 5,433.10, 8,133.45 and 5,112.70 is: 7,653.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.10 : 8,133.45 = 5,112.70 : x
  2. Step 2: Convert to fraction form
    5,433.10/8,133.45 = 5,112.70/x
  3. Step 3: Cross multiply
    5,433.10x = 8,133.45 × 5,112.70
  4. Step 4: Simplify right side
    5,433.10x = 41,583,889.82
  5. Step 5: Solve for x
    x = 41,583,889.82/5,433.10
  6. Step 6: Final answer
    x = 7,653.81

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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.