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Finding the Fourth Proportional to 5,935.80, 8,909.04 and 3,164.80

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Solution

The fourth proportional to 5,935.80, 8,909.04 and 3,164.80 is: 4,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.80 : 8,909.04 = 3,164.80 : x
  2. Step 2: Convert to fraction form
    5,935.80/8,909.04 = 3,164.80/x
  3. Step 3: Cross multiply
    5,935.80x = 8,909.04 × 3,164.80
  4. Step 4: Simplify right side
    5,935.80x = 28,195,329.79
  5. Step 5: Solve for x
    x = 28,195,329.79/5,935.80
  6. Step 6: Final answer
    x = 4,750.05

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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.