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Finding the Fourth Proportional to 5,706.45, 8,559.56 and 2,628.45

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Solution

The fourth proportional to 5,706.45, 8,559.56 and 2,628.45 is: 3,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706.45 : 8,559.56 = 2,628.45 : x
  2. Step 2: Convert to fraction form
    5,706.45/8,559.56 = 2,628.45/x
  3. Step 3: Cross multiply
    5,706.45x = 8,559.56 × 2,628.45
  4. Step 4: Simplify right side
    5,706.45x = 22,498,362.34
  5. Step 5: Solve for x
    x = 22,498,362.34/5,706.45
  6. Step 6: Final answer
    x = 3,942.62

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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.