Home / 4,755.12-7,135.74-2,565.38

Finding the Fourth Proportional to 4,755.12, 7,135.74 and 2,565.38

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Solution

The fourth proportional to 4,755.12, 7,135.74 and 2,565.38 is: 3,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.12 : 7,135.74 = 2,565.38 : x
  2. Step 2: Convert to fraction form
    4,755.12/7,135.74 = 2,565.38/x
  3. Step 3: Cross multiply
    4,755.12x = 7,135.74 × 2,565.38
  4. Step 4: Simplify right side
    4,755.12x = 18,305,884.68
  5. Step 5: Solve for x
    x = 18,305,884.68/4,755.12
  6. Step 6: Final answer
    x = 3,849.72

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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.