Home / 5,132.14-7,710.54-3,286.84

Finding the Fourth Proportional to 5,132.14, 7,710.54 and 3,286.84

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Solution

The fourth proportional to 5,132.14, 7,710.54 and 3,286.84 is: 4,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.14 : 7,710.54 = 3,286.84 : x
  2. Step 2: Convert to fraction form
    5,132.14/7,710.54 = 3,286.84/x
  3. Step 3: Cross multiply
    5,132.14x = 7,710.54 × 3,286.84
  4. Step 4: Simplify right side
    5,132.14x = 25,343,311.29
  5. Step 5: Solve for x
    x = 25,343,311.29/5,132.14
  6. Step 6: Final answer
    x = 4,938.16

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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.