Home / 5,130.75-7,696.49-1,843.86

Finding the Fourth Proportional to 5,130.75, 7,696.49 and 1,843.86

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Solution

The fourth proportional to 5,130.75, 7,696.49 and 1,843.86 is: 2,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.75 : 7,696.49 = 1,843.86 : x
  2. Step 2: Convert to fraction form
    5,130.75/7,696.49 = 1,843.86/x
  3. Step 3: Cross multiply
    5,130.75x = 7,696.49 × 1,843.86
  4. Step 4: Simplify right side
    5,130.75x = 14,191,250.05
  5. Step 5: Solve for x
    x = 14,191,250.05/5,130.75
  6. Step 6: Final answer
    x = 2,765.92

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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.