Home / 5,556.63-7,668.32-3,432.09

Finding the Fourth Proportional to 5,556.63, 7,668.32 and 3,432.09

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Solution

The fourth proportional to 5,556.63, 7,668.32 and 3,432.09 is: 4,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.63 : 7,668.32 = 3,432.09 : x
  2. Step 2: Convert to fraction form
    5,556.63/7,668.32 = 3,432.09/x
  3. Step 3: Cross multiply
    5,556.63x = 7,668.32 × 3,432.09
  4. Step 4: Simplify right side
    5,556.63x = 26,318,364.39
  5. Step 5: Solve for x
    x = 26,318,364.39/5,556.63
  6. Step 6: Final answer
    x = 4,736.39

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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.