Home / 4,457.71-6,682.46-2,118.82

Finding the Fourth Proportional to 4,457.71, 6,682.46 and 2,118.82

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Solution

The fourth proportional to 4,457.71, 6,682.46 and 2,118.82 is: 3,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.71 : 6,682.46 = 2,118.82 : x
  2. Step 2: Convert to fraction form
    4,457.71/6,682.46 = 2,118.82/x
  3. Step 3: Cross multiply
    4,457.71x = 6,682.46 × 2,118.82
  4. Step 4: Simplify right side
    4,457.71x = 14,158,919.30
  5. Step 5: Solve for x
    x = 14,158,919.30/4,457.71
  6. Step 6: Final answer
    x = 3,176.28

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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.