Home / 8,347.28-12,523.34-3,958.70

Finding the Fourth Proportional to 8,347.28, 12,523.34 and 3,958.70

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Solution

The fourth proportional to 8,347.28, 12,523.34 and 3,958.70 is: 5,939.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.28 : 12,523.34 = 3,958.70 : x
  2. Step 2: Convert to fraction form
    8,347.28/12,523.34 = 3,958.70/x
  3. Step 3: Cross multiply
    8,347.28x = 12,523.34 × 3,958.70
  4. Step 4: Simplify right side
    8,347.28x = 49,576,093.34
  5. Step 5: Solve for x
    x = 49,576,093.34/8,347.28
  6. Step 6: Final answer
    x = 5,939.19

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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.