Home / 6,181.79-9,256.68-5,619.87

Finding the Fourth Proportional to 6,181.79, 9,256.68 and 5,619.87

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Solution

The fourth proportional to 6,181.79, 9,256.68 and 5,619.87 is: 8,415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.79 : 9,256.68 = 5,619.87 : x
  2. Step 2: Convert to fraction form
    6,181.79/9,256.68 = 5,619.87/x
  3. Step 3: Cross multiply
    6,181.79x = 9,256.68 × 5,619.87
  4. Step 4: Simplify right side
    6,181.79x = 52,021,338.23
  5. Step 5: Solve for x
    x = 52,021,338.23/6,181.79
  6. Step 6: Final answer
    x = 8,415.26

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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.