Home / 5,566.56-7,681.20-3,208.80

Finding the Fourth Proportional to 5,566.56, 7,681.20 and 3,208.80

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Solution

The fourth proportional to 5,566.56, 7,681.20 and 3,208.80 is: 4,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.56 : 7,681.20 = 3,208.80 : x
  2. Step 2: Convert to fraction form
    5,566.56/7,681.20 = 3,208.80/x
  3. Step 3: Cross multiply
    5,566.56x = 7,681.20 × 3,208.80
  4. Step 4: Simplify right side
    5,566.56x = 24,647,434.56
  5. Step 5: Solve for x
    x = 24,647,434.56/5,566.56
  6. Step 6: Final answer
    x = 4,427.77

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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.