Home / 4,457.92-6,686.73-2,119.60

Finding the Fourth Proportional to 4,457.92, 6,686.73 and 2,119.60

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Solution

The fourth proportional to 4,457.92, 6,686.73 and 2,119.60 is: 3,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.92 : 6,686.73 = 2,119.60 : x
  2. Step 2: Convert to fraction form
    4,457.92/6,686.73 = 2,119.60/x
  3. Step 3: Cross multiply
    4,457.92x = 6,686.73 × 2,119.60
  4. Step 4: Simplify right side
    4,457.92x = 14,173,192.91
  5. Step 5: Solve for x
    x = 14,173,192.91/4,457.92
  6. Step 6: Final answer
    x = 3,179.33

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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.