Home / 4,477.80-6,715.62-1,880.04

Finding the Fourth Proportional to 4,477.80, 6,715.62 and 1,880.04

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Solution

The fourth proportional to 4,477.80, 6,715.62 and 1,880.04 is: 2,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.80 : 6,715.62 = 1,880.04 : x
  2. Step 2: Convert to fraction form
    4,477.80/6,715.62 = 1,880.04/x
  3. Step 3: Cross multiply
    4,477.80x = 6,715.62 × 1,880.04
  4. Step 4: Simplify right side
    4,477.80x = 12,625,634.22
  5. Step 5: Solve for x
    x = 12,625,634.22/4,477.80
  6. Step 6: Final answer
    x = 2,819.61

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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.