Home / 9,766.36-14,639.20-3,190.76

Finding the Fourth Proportional to 9,766.36, 14,639.20 and 3,190.76

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Solution

The fourth proportional to 9,766.36, 14,639.20 and 3,190.76 is: 4,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.36 : 14,639.20 = 3,190.76 : x
  2. Step 2: Convert to fraction form
    9,766.36/14,639.20 = 3,190.76/x
  3. Step 3: Cross multiply
    9,766.36x = 14,639.20 × 3,190.76
  4. Step 4: Simplify right side
    9,766.36x = 46,710,173.79
  5. Step 5: Solve for x
    x = 46,710,173.79/9,766.36
  6. Step 6: Final answer
    x = 4,782.76

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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.