Home / 4,457.94-6,688.48-1,992.54

Finding the Fourth Proportional to 4,457.94, 6,688.48 and 1,992.54

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Solution

The fourth proportional to 4,457.94, 6,688.48 and 1,992.54 is: 2,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.94 : 6,688.48 = 1,992.54 : x
  2. Step 2: Convert to fraction form
    4,457.94/6,688.48 = 1,992.54/x
  3. Step 3: Cross multiply
    4,457.94x = 6,688.48 × 1,992.54
  4. Step 4: Simplify right side
    4,457.94x = 13,327,063.94
  5. Step 5: Solve for x
    x = 13,327,063.94/4,457.94
  6. Step 6: Final answer
    x = 2,989.51

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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.