Home / 4,755.32-7,129.90-2,565.60

Finding the Fourth Proportional to 4,755.32, 7,129.90 and 2,565.60

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Solution

The fourth proportional to 4,755.32, 7,129.90 and 2,565.60 is: 3,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755.32 : 7,129.90 = 2,565.60 : x
  2. Step 2: Convert to fraction form
    4,755.32/7,129.90 = 2,565.60/x
  3. Step 3: Cross multiply
    4,755.32x = 7,129.90 × 2,565.60
  4. Step 4: Simplify right side
    4,755.32x = 18,292,471.44
  5. Step 5: Solve for x
    x = 18,292,471.44/4,755.32
  6. Step 6: Final answer
    x = 3,846.74

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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.