Home / 5,555.67-7,668.09-3,199.20

Finding the Fourth Proportional to 5,555.67, 7,668.09 and 3,199.20

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Solution

The fourth proportional to 5,555.67, 7,668.09 and 3,199.20 is: 4,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.67 : 7,668.09 = 3,199.20 : x
  2. Step 2: Convert to fraction form
    5,555.67/7,668.09 = 3,199.20/x
  3. Step 3: Cross multiply
    5,555.67x = 7,668.09 × 3,199.20
  4. Step 4: Simplify right side
    5,555.67x = 24,531,753.53
  5. Step 5: Solve for x
    x = 24,531,753.53/5,555.67
  6. Step 6: Final answer
    x = 4,415.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.