Home / 7,577.89-11,361.60-3,877.61

Finding the Fourth Proportional to 7,577.89, 11,361.60 and 3,877.61

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Solution

The fourth proportional to 7,577.89, 11,361.60 and 3,877.61 is: 5,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.89 : 11,361.60 = 3,877.61 : x
  2. Step 2: Convert to fraction form
    7,577.89/11,361.60 = 3,877.61/x
  3. Step 3: Cross multiply
    7,577.89x = 11,361.60 × 3,877.61
  4. Step 4: Simplify right side
    7,577.89x = 44,055,853.78
  5. Step 5: Solve for x
    x = 44,055,853.78/7,577.89
  6. Step 6: Final answer
    x = 5,813.74

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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.