Home / 6,286.28-9,432.15-2,391.80

Finding the Fourth Proportional to 6,286.28, 9,432.15 and 2,391.80

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Solution

The fourth proportional to 6,286.28, 9,432.15 and 2,391.80 is: 3,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.28 : 9,432.15 = 2,391.80 : x
  2. Step 2: Convert to fraction form
    6,286.28/9,432.15 = 2,391.80/x
  3. Step 3: Cross multiply
    6,286.28x = 9,432.15 × 2,391.80
  4. Step 4: Simplify right side
    6,286.28x = 22,559,816.37
  5. Step 5: Solve for x
    x = 22,559,816.37/6,286.28
  6. Step 6: Final answer
    x = 3,588.74

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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.