Home / 9,766.20-14,627.70-3,919.80

Finding the Fourth Proportional to 9,766.20, 14,627.70 and 3,919.80

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Solution

The fourth proportional to 9,766.20, 14,627.70 and 3,919.80 is: 5,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.20 : 14,627.70 = 3,919.80 : x
  2. Step 2: Convert to fraction form
    9,766.20/14,627.70 = 3,919.80/x
  3. Step 3: Cross multiply
    9,766.20x = 14,627.70 × 3,919.80
  4. Step 4: Simplify right side
    9,766.20x = 57,337,658.46
  5. Step 5: Solve for x
    x = 57,337,658.46/9,766.20
  6. Step 6: Final answer
    x = 5,871.03

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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.