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Finding the Fourth Proportional to 5,865.90, 8,094.94 and 3,213.40

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Solution

The fourth proportional to 5,865.90, 8,094.94 and 3,213.40 is: 4,434.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.90 : 8,094.94 = 3,213.40 : x
  2. Step 2: Convert to fraction form
    5,865.90/8,094.94 = 3,213.40/x
  3. Step 3: Cross multiply
    5,865.90x = 8,094.94 × 3,213.40
  4. Step 4: Simplify right side
    5,865.90x = 26,012,280.20
  5. Step 5: Solve for x
    x = 26,012,280.20/5,865.90
  6. Step 6: Final answer
    x = 4,434.49

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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.