Home / 5,176.10-7,765.39-1,666.44

Finding the Fourth Proportional to 5,176.10, 7,765.39 and 1,666.44

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Solution

The fourth proportional to 5,176.10, 7,765.39 and 1,666.44 is: 2,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.10 : 7,765.39 = 1,666.44 : x
  2. Step 2: Convert to fraction form
    5,176.10/7,765.39 = 1,666.44/x
  3. Step 3: Cross multiply
    5,176.10x = 7,765.39 × 1,666.44
  4. Step 4: Simplify right side
    5,176.10x = 12,940,540.17
  5. Step 5: Solve for x
    x = 12,940,540.17/5,176.10
  6. Step 6: Final answer
    x = 2,500.05

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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.