Home / 5,676.42-8,512.34-1,977.87

Finding the Fourth Proportional to 5,676.42, 8,512.34 and 1,977.87

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Solution

The fourth proportional to 5,676.42, 8,512.34 and 1,977.87 is: 2,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.42 : 8,512.34 = 1,977.87 : x
  2. Step 2: Convert to fraction form
    5,676.42/8,512.34 = 1,977.87/x
  3. Step 3: Cross multiply
    5,676.42x = 8,512.34 × 1,977.87
  4. Step 4: Simplify right side
    5,676.42x = 16,836,292.03
  5. Step 5: Solve for x
    x = 16,836,292.03/5,676.42
  6. Step 6: Final answer
    x = 2,966.01

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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.