Home / 5,197.81-7,175.56-3,209.46

Finding the Fourth Proportional to 5,197.81, 7,175.56 and 3,209.46

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Solution

The fourth proportional to 5,197.81, 7,175.56 and 3,209.46 is: 4,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.81 : 7,175.56 = 3,209.46 : x
  2. Step 2: Convert to fraction form
    5,197.81/7,175.56 = 3,209.46/x
  3. Step 3: Cross multiply
    5,197.81x = 7,175.56 × 3,209.46
  4. Step 4: Simplify right side
    5,197.81x = 23,029,672.80
  5. Step 5: Solve for x
    x = 23,029,672.80/5,197.81
  6. Step 6: Final answer
    x = 4,430.65

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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.