Home / 4,457.62-6,687.94-1,994.14

Finding the Fourth Proportional to 4,457.62, 6,687.94 and 1,994.14

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Solution

The fourth proportional to 4,457.62, 6,687.94 and 1,994.14 is: 2,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.62 : 6,687.94 = 1,994.14 : x
  2. Step 2: Convert to fraction form
    4,457.62/6,687.94 = 1,994.14/x
  3. Step 3: Cross multiply
    4,457.62x = 6,687.94 × 1,994.14
  4. Step 4: Simplify right side
    4,457.62x = 13,336,688.67
  5. Step 5: Solve for x
    x = 13,336,688.67/4,457.62
  6. Step 6: Final answer
    x = 2,991.89

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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.