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Finding the Fourth Proportional to 5,290.34, 7,932.50 and 3,626.34

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Solution

The fourth proportional to 5,290.34, 7,932.50 and 3,626.34 is: 5,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.34 : 7,932.50 = 3,626.34 : x
  2. Step 2: Convert to fraction form
    5,290.34/7,932.50 = 3,626.34/x
  3. Step 3: Cross multiply
    5,290.34x = 7,932.50 × 3,626.34
  4. Step 4: Simplify right side
    5,290.34x = 28,765,942.05
  5. Step 5: Solve for x
    x = 28,765,942.05/5,290.34
  6. Step 6: Final answer
    x = 5,437.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.