Home / 4,457.77-6,688.20-1,992.85

Finding the Fourth Proportional to 4,457.77, 6,688.20 and 1,992.85

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Solution

The fourth proportional to 4,457.77, 6,688.20 and 1,992.85 is: 2,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.77 : 6,688.20 = 1,992.85 : x
  2. Step 2: Convert to fraction form
    4,457.77/6,688.20 = 1,992.85/x
  3. Step 3: Cross multiply
    4,457.77x = 6,688.20 × 1,992.85
  4. Step 4: Simplify right side
    4,457.77x = 13,328,579.37
  5. Step 5: Solve for x
    x = 13,328,579.37/4,457.77
  6. Step 6: Final answer
    x = 2,989.97

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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.