Home / 4,479.80-6,716.56-1,706.64

Finding the Fourth Proportional to 4,479.80, 6,716.56 and 1,706.64

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Solution

The fourth proportional to 4,479.80, 6,716.56 and 1,706.64 is: 2,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.80 : 6,716.56 = 1,706.64 : x
  2. Step 2: Convert to fraction form
    4,479.80/6,716.56 = 1,706.64/x
  3. Step 3: Cross multiply
    4,479.80x = 6,716.56 × 1,706.64
  4. Step 4: Simplify right side
    4,479.80x = 11,462,749.96
  5. Step 5: Solve for x
    x = 11,462,749.96/4,479.80
  6. Step 6: Final answer
    x = 2,558.76

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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.