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Finding the Fourth Proportional to 5,559.54, 7,672.27 and 3,324.54

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Solution

The fourth proportional to 5,559.54, 7,672.27 and 3,324.54 is: 4,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.54 : 7,672.27 = 3,324.54 : x
  2. Step 2: Convert to fraction form
    5,559.54/7,672.27 = 3,324.54/x
  3. Step 3: Cross multiply
    5,559.54x = 7,672.27 × 3,324.54
  4. Step 4: Simplify right side
    5,559.54x = 25,506,795.20
  5. Step 5: Solve for x
    x = 25,506,795.20/5,559.54
  6. Step 6: Final answer
    x = 4,587.94

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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.