Home / 4,457.90-6,684.12-2,118.62

Finding the Fourth Proportional to 4,457.90, 6,684.12 and 2,118.62

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Solution

The fourth proportional to 4,457.90, 6,684.12 and 2,118.62 is: 3,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.90 : 6,684.12 = 2,118.62 : x
  2. Step 2: Convert to fraction form
    4,457.90/6,684.12 = 2,118.62/x
  3. Step 3: Cross multiply
    4,457.90x = 6,684.12 × 2,118.62
  4. Step 4: Simplify right side
    4,457.90x = 14,161,127.02
  5. Step 5: Solve for x
    x = 14,161,127.02/4,457.90
  6. Step 6: Final answer
    x = 3,176.63

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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.