Home / 9,811.20-14,717.70-3,966.60

Finding the Fourth Proportional to 9,811.20, 14,717.70 and 3,966.60

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Solution

The fourth proportional to 9,811.20, 14,717.70 and 3,966.60 is: 5,950.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.20 : 14,717.70 = 3,966.60 : x
  2. Step 2: Convert to fraction form
    9,811.20/14,717.70 = 3,966.60/x
  3. Step 3: Cross multiply
    9,811.20x = 14,717.70 × 3,966.60
  4. Step 4: Simplify right side
    9,811.20x = 58,379,228.82
  5. Step 5: Solve for x
    x = 58,379,228.82/9,811.20
  6. Step 6: Final answer
    x = 5,950.26

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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.