Home / 5,528.70-8,289.18-2,605.50

Finding the Fourth Proportional to 5,528.70, 8,289.18 and 2,605.50

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Solution

The fourth proportional to 5,528.70, 8,289.18 and 2,605.50 is: 3,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.70 : 8,289.18 = 2,605.50 : x
  2. Step 2: Convert to fraction form
    5,528.70/8,289.18 = 2,605.50/x
  3. Step 3: Cross multiply
    5,528.70x = 8,289.18 × 2,605.50
  4. Step 4: Simplify right side
    5,528.70x = 21,597,458.49
  5. Step 5: Solve for x
    x = 21,597,458.49/5,528.70
  6. Step 6: Final answer
    x = 3,906.43

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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.