Home / 7,487.34-11,227.10-3,325.56

Finding the Fourth Proportional to 7,487.34, 11,227.10 and 3,325.56

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Solution

The fourth proportional to 7,487.34, 11,227.10 and 3,325.56 is: 4,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.34 : 11,227.10 = 3,325.56 : x
  2. Step 2: Convert to fraction form
    7,487.34/11,227.10 = 3,325.56/x
  3. Step 3: Cross multiply
    7,487.34x = 11,227.10 × 3,325.56
  4. Step 4: Simplify right side
    7,487.34x = 37,336,394.68
  5. Step 5: Solve for x
    x = 37,336,394.68/7,487.34
  6. Step 6: Final answer
    x = 4,986.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.