Home / 5,447.67-7,515.01-3,209.43

Finding the Fourth Proportional to 5,447.67, 7,515.01 and 3,209.43

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Solution

The fourth proportional to 5,447.67, 7,515.01 and 3,209.43 is: 4,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.67 : 7,515.01 = 3,209.43 : x
  2. Step 2: Convert to fraction form
    5,447.67/7,515.01 = 3,209.43/x
  3. Step 3: Cross multiply
    5,447.67x = 7,515.01 × 3,209.43
  4. Step 4: Simplify right side
    5,447.67x = 24,118,898.54
  5. Step 5: Solve for x
    x = 24,118,898.54/5,447.67
  6. Step 6: Final answer
    x = 4,427.38

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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.