Home / 4,935.40-7,403.27-2,160.68

Finding the Fourth Proportional to 4,935.40, 7,403.27 and 2,160.68

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Solution

The fourth proportional to 4,935.40, 7,403.27 and 2,160.68 is: 3,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.40 : 7,403.27 = 2,160.68 : x
  2. Step 2: Convert to fraction form
    4,935.40/7,403.27 = 2,160.68/x
  3. Step 3: Cross multiply
    4,935.40x = 7,403.27 × 2,160.68
  4. Step 4: Simplify right side
    4,935.40x = 15,996,049.60
  5. Step 5: Solve for x
    x = 15,996,049.60/4,935.40
  6. Step 6: Final answer
    x = 3,241.09

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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.