Home / 6,115.79-9,173.69-2,419.76

Finding the Fourth Proportional to 6,115.79, 9,173.69 and 2,419.76

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Solution

The fourth proportional to 6,115.79, 9,173.69 and 2,419.76 is: 3,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.79 : 9,173.69 = 2,419.76 : x
  2. Step 2: Convert to fraction form
    6,115.79/9,173.69 = 2,419.76/x
  3. Step 3: Cross multiply
    6,115.79x = 9,173.69 × 2,419.76
  4. Step 4: Simplify right side
    6,115.79x = 22,198,148.02
  5. Step 5: Solve for x
    x = 22,198,148.02/6,115.79
  6. Step 6: Final answer
    x = 3,629.64

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1.5x scale

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.