Home / 6,310.63-8,708.75-3,658.83

Finding the Fourth Proportional to 6,310.63, 8,708.75 and 3,658.83

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Solution

The fourth proportional to 6,310.63, 8,708.75 and 3,658.83 is: 5,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.63 : 8,708.75 = 3,658.83 : x
  2. Step 2: Convert to fraction form
    6,310.63/8,708.75 = 3,658.83/x
  3. Step 3: Cross multiply
    6,310.63x = 8,708.75 × 3,658.83
  4. Step 4: Simplify right side
    6,310.63x = 31,863,835.76
  5. Step 5: Solve for x
    x = 31,863,835.76/6,310.63
  6. Step 6: Final answer
    x = 5,049.23

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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.