Home / 5,556.56-7,668.48-3,432.56

Finding the Fourth Proportional to 5,556.56, 7,668.48 and 3,432.56

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Solution

The fourth proportional to 5,556.56, 7,668.48 and 3,432.56 is: 4,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.56 : 7,668.48 = 3,432.56 : x
  2. Step 2: Convert to fraction form
    5,556.56/7,668.48 = 3,432.56/x
  3. Step 3: Cross multiply
    5,556.56x = 7,668.48 × 3,432.56
  4. Step 4: Simplify right side
    5,556.56x = 26,322,517.71
  5. Step 5: Solve for x
    x = 26,322,517.71/5,556.56
  6. Step 6: Final answer
    x = 4,737.20

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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.