Home / 6,286.88-9,416.86-3,315.93

Finding the Fourth Proportional to 6,286.88, 9,416.86 and 3,315.93

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Solution

The fourth proportional to 6,286.88, 9,416.86 and 3,315.93 is: 4,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.88 : 9,416.86 = 3,315.93 : x
  2. Step 2: Convert to fraction form
    6,286.88/9,416.86 = 3,315.93/x
  3. Step 3: Cross multiply
    6,286.88x = 9,416.86 × 3,315.93
  4. Step 4: Simplify right side
    6,286.88x = 31,225,640.29
  5. Step 5: Solve for x
    x = 31,225,640.29/6,286.88
  6. Step 6: Final answer
    x = 4,966.80

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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.