Home / 7,746.80-11,621.32-3,364.24

Finding the Fourth Proportional to 7,746.80, 11,621.32 and 3,364.24

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Solution

The fourth proportional to 7,746.80, 11,621.32 and 3,364.24 is: 5,046.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.80 : 11,621.32 = 3,364.24 : x
  2. Step 2: Convert to fraction form
    7,746.80/11,621.32 = 3,364.24/x
  3. Step 3: Cross multiply
    7,746.80x = 11,621.32 × 3,364.24
  4. Step 4: Simplify right side
    7,746.80x = 39,096,909.60
  5. Step 5: Solve for x
    x = 39,096,909.60/7,746.80
  6. Step 6: Final answer
    x = 5,046.85

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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.