Home / 8,350.58-11,515.84-4,992.85

Finding the Fourth Proportional to 8,350.58, 11,515.84 and 4,992.85

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Solution

The fourth proportional to 8,350.58, 11,515.84 and 4,992.85 is: 6,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.58 : 11,515.84 = 4,992.85 : x
  2. Step 2: Convert to fraction form
    8,350.58/11,515.84 = 4,992.85/x
  3. Step 3: Cross multiply
    8,350.58x = 11,515.84 × 4,992.85
  4. Step 4: Simplify right side
    8,350.58x = 57,496,826.96
  5. Step 5: Solve for x
    x = 57,496,826.96/8,350.58
  6. Step 6: Final answer
    x = 6,885.37

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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.