Home / 5,638.03-8,457.23-1,940.22

Finding the Fourth Proportional to 5,638.03, 8,457.23 and 1,940.22

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Solution

The fourth proportional to 5,638.03, 8,457.23 and 1,940.22 is: 2,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.03 : 8,457.23 = 1,940.22 : x
  2. Step 2: Convert to fraction form
    5,638.03/8,457.23 = 1,940.22/x
  3. Step 3: Cross multiply
    5,638.03x = 8,457.23 × 1,940.22
  4. Step 4: Simplify right side
    5,638.03x = 16,408,891.64
  5. Step 5: Solve for x
    x = 16,408,891.64/5,638.03
  6. Step 6: Final answer
    x = 2,910.40

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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.