Home / 7,766.53-11,651.34-2,219.93

Finding the Fourth Proportional to 7,766.53, 11,651.34 and 2,219.93

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Solution

The fourth proportional to 7,766.53, 11,651.34 and 2,219.93 is: 3,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.53 : 11,651.34 = 2,219.93 : x
  2. Step 2: Convert to fraction form
    7,766.53/11,651.34 = 2,219.93/x
  3. Step 3: Cross multiply
    7,766.53x = 11,651.34 × 2,219.93
  4. Step 4: Simplify right side
    7,766.53x = 25,865,159.21
  5. Step 5: Solve for x
    x = 25,865,159.21/7,766.53
  6. Step 6: Final answer
    x = 3,330.34

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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.