Home / 4,591.12-6,890.46-1,993.72

Finding the Fourth Proportional to 4,591.12, 6,890.46 and 1,993.72

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Solution

The fourth proportional to 4,591.12, 6,890.46 and 1,993.72 is: 2,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.12 : 6,890.46 = 1,993.72 : x
  2. Step 2: Convert to fraction form
    4,591.12/6,890.46 = 1,993.72/x
  3. Step 3: Cross multiply
    4,591.12x = 6,890.46 × 1,993.72
  4. Step 4: Simplify right side
    4,591.12x = 13,737,647.91
  5. Step 5: Solve for x
    x = 13,737,647.91/4,591.12
  6. Step 6: Final answer
    x = 2,992.22

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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.