Home / 5,282.37-7,286.50-3,489.87

Finding the Fourth Proportional to 5,282.37, 7,286.50 and 3,489.87

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Solution

The fourth proportional to 5,282.37, 7,286.50 and 3,489.87 is: 4,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.37 : 7,286.50 = 3,489.87 : x
  2. Step 2: Convert to fraction form
    5,282.37/7,286.50 = 3,489.87/x
  3. Step 3: Cross multiply
    5,282.37x = 7,286.50 × 3,489.87
  4. Step 4: Simplify right side
    5,282.37x = 25,428,937.76
  5. Step 5: Solve for x
    x = 25,428,937.76/5,282.37
  6. Step 6: Final answer
    x = 4,813.93

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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.