Home / 5,719.79-8,576.57-2,431.08

Finding the Fourth Proportional to 5,719.79, 8,576.57 and 2,431.08

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Solution

The fourth proportional to 5,719.79, 8,576.57 and 2,431.08 is: 3,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.79 : 8,576.57 = 2,431.08 : x
  2. Step 2: Convert to fraction form
    5,719.79/8,576.57 = 2,431.08/x
  3. Step 3: Cross multiply
    5,719.79x = 8,576.57 × 2,431.08
  4. Step 4: Simplify right side
    5,719.79x = 20,850,333.87
  5. Step 5: Solve for x
    x = 20,850,333.87/5,719.79
  6. Step 6: Final answer
    x = 3,645.30

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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.