Home / 4,265.40-6,365.43-3,286.20

Finding the Fourth Proportional to 4,265.40, 6,365.43 and 3,286.20

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Solution

The fourth proportional to 4,265.40, 6,365.43 and 3,286.20 is: 4,904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.40 : 6,365.43 = 3,286.20 : x
  2. Step 2: Convert to fraction form
    4,265.40/6,365.43 = 3,286.20/x
  3. Step 3: Cross multiply
    4,265.40x = 6,365.43 × 3,286.20
  4. Step 4: Simplify right side
    4,265.40x = 20,918,076.07
  5. Step 5: Solve for x
    x = 20,918,076.07/4,265.40
  6. Step 6: Final answer
    x = 4,904.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.