Home / 5,170.77-7,757.98-1,884.20

Finding the Fourth Proportional to 5,170.77, 7,757.98 and 1,884.20

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Solution

The fourth proportional to 5,170.77, 7,757.98 and 1,884.20 is: 2,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.77 : 7,757.98 = 1,884.20 : x
  2. Step 2: Convert to fraction form
    5,170.77/7,757.98 = 1,884.20/x
  3. Step 3: Cross multiply
    5,170.77x = 7,757.98 × 1,884.20
  4. Step 4: Simplify right side
    5,170.77x = 14,617,542.42
  5. Step 5: Solve for x
    x = 14,617,542.42/5,170.77
  6. Step 6: Final answer
    x = 2,826.96

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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.