Home / 5,161.80-7,761.39-4,755.84

Finding the Fourth Proportional to 5,161.80, 7,761.39 and 4,755.84

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Solution

The fourth proportional to 5,161.80, 7,761.39 and 4,755.84 is: 7,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.80 : 7,761.39 = 4,755.84 : x
  2. Step 2: Convert to fraction form
    5,161.80/7,761.39 = 4,755.84/x
  3. Step 3: Cross multiply
    5,161.80x = 7,761.39 × 4,755.84
  4. Step 4: Simplify right side
    5,161.80x = 36,911,929.02
  5. Step 5: Solve for x
    x = 36,911,929.02/5,161.80
  6. Step 6: Final answer
    x = 7,150.98

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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.