Home / 6,161.79-9,241.91-1,719.80

Finding the Fourth Proportional to 6,161.79, 9,241.91 and 1,719.80

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Solution

The fourth proportional to 6,161.79, 9,241.91 and 1,719.80 is: 2,579.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.79 : 9,241.91 = 1,719.80 : x
  2. Step 2: Convert to fraction form
    6,161.79/9,241.91 = 1,719.80/x
  3. Step 3: Cross multiply
    6,161.79x = 9,241.91 × 1,719.80
  4. Step 4: Simplify right side
    6,161.79x = 15,894,182.01
  5. Step 5: Solve for x
    x = 15,894,182.01/6,161.79
  6. Step 6: Final answer
    x = 2,579.47

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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.