Home / 5,935.40-8,190.80-3,282.78

Finding the Fourth Proportional to 5,935.40, 8,190.80 and 3,282.78

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Solution

The fourth proportional to 5,935.40, 8,190.80 and 3,282.78 is: 4,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,935.40 : 8,190.80 = 3,282.78 : x
  2. Step 2: Convert to fraction form
    5,935.40/8,190.80 = 3,282.78/x
  3. Step 3: Cross multiply
    5,935.40x = 8,190.80 × 3,282.78
  4. Step 4: Simplify right side
    5,935.40x = 26,888,594.42
  5. Step 5: Solve for x
    x = 26,888,594.42/5,935.40
  6. Step 6: Final answer
    x = 4,530.21

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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.