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Finding the Fourth Proportional to 5,193.81, 7,167.62 and 3,204.32

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Solution

The fourth proportional to 5,193.81, 7,167.62 and 3,204.32 is: 4,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.81 : 7,167.62 = 3,204.32 : x
  2. Step 2: Convert to fraction form
    5,193.81/7,167.62 = 3,204.32/x
  3. Step 3: Cross multiply
    5,193.81x = 7,167.62 × 3,204.32
  4. Step 4: Simplify right side
    5,193.81x = 22,967,320.29
  5. Step 5: Solve for x
    x = 22,967,320.29/5,193.81
  6. Step 6: Final answer
    x = 4,422.06

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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.