Home / 5,446.80-7,515.90-3,457.44

Finding the Fourth Proportional to 5,446.80, 7,515.90 and 3,457.44

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Solution

The fourth proportional to 5,446.80, 7,515.90 and 3,457.44 is: 4,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.80 : 7,515.90 = 3,457.44 : x
  2. Step 2: Convert to fraction form
    5,446.80/7,515.90 = 3,457.44/x
  3. Step 3: Cross multiply
    5,446.80x = 7,515.90 × 3,457.44
  4. Step 4: Simplify right side
    5,446.80x = 25,985,773.30
  5. Step 5: Solve for x
    x = 25,985,773.30/5,446.80
  6. Step 6: Final answer
    x = 4,770.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.