Home / 5,447.03-7,515.74-3,208.09

Finding the Fourth Proportional to 5,447.03, 7,515.74 and 3,208.09

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Solution

The fourth proportional to 5,447.03, 7,515.74 and 3,208.09 is: 4,426.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.03 : 7,515.74 = 3,208.09 : x
  2. Step 2: Convert to fraction form
    5,447.03/7,515.74 = 3,208.09/x
  3. Step 3: Cross multiply
    5,447.03x = 7,515.74 × 3,208.09
  4. Step 4: Simplify right side
    5,447.03x = 24,111,170.34
  5. Step 5: Solve for x
    x = 24,111,170.34/5,447.03
  6. Step 6: Final answer
    x = 4,426.48

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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.