Home / 6,286.88-9,431.53-2,390.98

Finding the Fourth Proportional to 6,286.88, 9,431.53 and 2,390.98

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Solution

The fourth proportional to 6,286.88, 9,431.53 and 2,390.98 is: 3,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.88 : 9,431.53 = 2,390.98 : x
  2. Step 2: Convert to fraction form
    6,286.88/9,431.53 = 2,390.98/x
  3. Step 3: Cross multiply
    6,286.88x = 9,431.53 × 2,390.98
  4. Step 4: Simplify right side
    6,286.88x = 22,550,599.60
  5. Step 5: Solve for x
    x = 22,550,599.60/6,286.88
  6. Step 6: Final answer
    x = 3,586.93

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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.