Home / 5,131.75-7,697.65-1,433.96

Finding the Fourth Proportional to 5,131.75, 7,697.65 and 1,433.96

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Solution

The fourth proportional to 5,131.75, 7,697.65 and 1,433.96 is: 2,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.75 : 7,697.65 = 1,433.96 : x
  2. Step 2: Convert to fraction form
    5,131.75/7,697.65 = 1,433.96/x
  3. Step 3: Cross multiply
    5,131.75x = 7,697.65 × 1,433.96
  4. Step 4: Simplify right side
    5,131.75x = 11,038,095.78
  5. Step 5: Solve for x
    x = 11,038,095.78/5,131.75
  6. Step 6: Final answer
    x = 2,150.94

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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.