Home / 4,479.90-6,709.94-2,808.57

Finding the Fourth Proportional to 4,479.90, 6,709.94 and 2,808.57

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Solution

The fourth proportional to 4,479.90, 6,709.94 and 2,808.57 is: 4,206.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.90 : 6,709.94 = 2,808.57 : x
  2. Step 2: Convert to fraction form
    4,479.90/6,709.94 = 2,808.57/x
  3. Step 3: Cross multiply
    4,479.90x = 6,709.94 × 2,808.57
  4. Step 4: Simplify right side
    4,479.90x = 18,845,336.19
  5. Step 5: Solve for x
    x = 18,845,336.19/4,479.90
  6. Step 6: Final answer
    x = 4,206.64

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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.