Home / 4,333.45-6,494.77-1,990.96

Finding the Fourth Proportional to 4,333.45, 6,494.77 and 1,990.96

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Solution

The fourth proportional to 4,333.45, 6,494.77 and 1,990.96 is: 2,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.45 : 6,494.77 = 1,990.96 : x
  2. Step 2: Convert to fraction form
    4,333.45/6,494.77 = 1,990.96/x
  3. Step 3: Cross multiply
    4,333.45x = 6,494.77 × 1,990.96
  4. Step 4: Simplify right side
    4,333.45x = 12,930,817.32
  5. Step 5: Solve for x
    x = 12,930,817.32/4,333.45
  6. Step 6: Final answer
    x = 2,983.96

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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.