Home / 5,283.62-7,288.20-3,394.56

Finding the Fourth Proportional to 5,283.62, 7,288.20 and 3,394.56

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Solution

The fourth proportional to 5,283.62, 7,288.20 and 3,394.56 is: 4,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.62 : 7,288.20 = 3,394.56 : x
  2. Step 2: Convert to fraction form
    5,283.62/7,288.20 = 3,394.56/x
  3. Step 3: Cross multiply
    5,283.62x = 7,288.20 × 3,394.56
  4. Step 4: Simplify right side
    5,283.62x = 24,740,232.19
  5. Step 5: Solve for x
    x = 24,740,232.19/5,283.62
  6. Step 6: Final answer
    x = 4,682.44

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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.