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Finding the Fourth Proportional to 5,852.68, 8,076.90 and 3,200.20

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Solution

The fourth proportional to 5,852.68, 8,076.90 and 3,200.20 is: 4,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,852.68 : 8,076.90 = 3,200.20 : x
  2. Step 2: Convert to fraction form
    5,852.68/8,076.90 = 3,200.20/x
  3. Step 3: Cross multiply
    5,852.68x = 8,076.90 × 3,200.20
  4. Step 4: Simplify right side
    5,852.68x = 25,847,695.38
  5. Step 5: Solve for x
    x = 25,847,695.38/5,852.68
  6. Step 6: Final answer
    x = 4,416.39

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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.