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Finding the Fourth Proportional to 5,865.70, 8,794.90 and 3,270.46

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Solution

The fourth proportional to 5,865.70, 8,794.90 and 3,270.46 is: 4,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.70 : 8,794.90 = 3,270.46 : x
  2. Step 2: Convert to fraction form
    5,865.70/8,794.90 = 3,270.46/x
  3. Step 3: Cross multiply
    5,865.70x = 8,794.90 × 3,270.46
  4. Step 4: Simplify right side
    5,865.70x = 28,763,368.65
  5. Step 5: Solve for x
    x = 28,763,368.65/5,865.70
  6. Step 6: Final answer
    x = 4,903.65

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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.