Home / 9,861.93-14,789.70-3,286.35

Finding the Fourth Proportional to 9,861.93, 14,789.70 and 3,286.35

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Solution

The fourth proportional to 9,861.93, 14,789.70 and 3,286.35 is: 4,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.93 : 14,789.70 = 3,286.35 : x
  2. Step 2: Convert to fraction form
    9,861.93/14,789.70 = 3,286.35/x
  3. Step 3: Cross multiply
    9,861.93x = 14,789.70 × 3,286.35
  4. Step 4: Simplify right side
    9,861.93x = 48,604,130.60
  5. Step 5: Solve for x
    x = 48,604,130.60/9,861.93
  6. Step 6: Final answer
    x = 4,928.46

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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.