Home / 5,311.67-7,321.07-3,630.16

Finding the Fourth Proportional to 5,311.67, 7,321.07 and 3,630.16

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Solution

The fourth proportional to 5,311.67, 7,321.07 and 3,630.16 is: 5,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.67 : 7,321.07 = 3,630.16 : x
  2. Step 2: Convert to fraction form
    5,311.67/7,321.07 = 3,630.16/x
  3. Step 3: Cross multiply
    5,311.67x = 7,321.07 × 3,630.16
  4. Step 4: Simplify right side
    5,311.67x = 26,576,619.02
  5. Step 5: Solve for x
    x = 26,576,619.02/5,311.67
  6. Step 6: Final answer
    x = 5,003.44

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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.