Home / 5,214.60-7,197.90-3,170.49

Finding the Fourth Proportional to 5,214.60, 7,197.90 and 3,170.49

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Solution

The fourth proportional to 5,214.60, 7,197.90 and 3,170.49 is: 4,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214.60 : 7,197.90 = 3,170.49 : x
  2. Step 2: Convert to fraction form
    5,214.60/7,197.90 = 3,170.49/x
  3. Step 3: Cross multiply
    5,214.60x = 7,197.90 × 3,170.49
  4. Step 4: Simplify right side
    5,214.60x = 22,820,869.97
  5. Step 5: Solve for x
    x = 22,820,869.97/5,214.60
  6. Step 6: Final answer
    x = 4,376.34

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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.