Home / 6,515.94-8,991.97-3,531.77

Finding the Fourth Proportional to 6,515.94, 8,991.97 and 3,531.77

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Solution

The fourth proportional to 6,515.94, 8,991.97 and 3,531.77 is: 4,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.94 : 8,991.97 = 3,531.77 : x
  2. Step 2: Convert to fraction form
    6,515.94/8,991.97 = 3,531.77/x
  3. Step 3: Cross multiply
    6,515.94x = 8,991.97 × 3,531.77
  4. Step 4: Simplify right side
    6,515.94x = 31,757,559.75
  5. Step 5: Solve for x
    x = 31,757,559.75/6,515.94
  6. Step 6: Final answer
    x = 4,873.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.