Home / 5,559.40-7,668.35-3,566.80

Finding the Fourth Proportional to 5,559.40, 7,668.35 and 3,566.80

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Solution

The fourth proportional to 5,559.40, 7,668.35 and 3,566.80 is: 4,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.40 : 7,668.35 = 3,566.80 : x
  2. Step 2: Convert to fraction form
    5,559.40/7,668.35 = 3,566.80/x
  3. Step 3: Cross multiply
    5,559.40x = 7,668.35 × 3,566.80
  4. Step 4: Simplify right side
    5,559.40x = 27,351,470.78
  5. Step 5: Solve for x
    x = 27,351,470.78/5,559.40
  6. Step 6: Final answer
    x = 4,919.86

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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.