Home / 7,549.79-11,321.03-3,166.07

Finding the Fourth Proportional to 7,549.79, 11,321.03 and 3,166.07

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Solution

The fourth proportional to 7,549.79, 11,321.03 and 3,166.07 is: 4,747.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.79 : 11,321.03 = 3,166.07 : x
  2. Step 2: Convert to fraction form
    7,549.79/11,321.03 = 3,166.07/x
  3. Step 3: Cross multiply
    7,549.79x = 11,321.03 × 3,166.07
  4. Step 4: Simplify right side
    7,549.79x = 35,843,173.45
  5. Step 5: Solve for x
    x = 35,843,173.45/7,549.79
  6. Step 6: Final answer
    x = 4,747.57

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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.