Home / 5,318.34-7,338.24-3,221.25

Finding the Fourth Proportional to 5,318.34, 7,338.24 and 3,221.25

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Solution

The fourth proportional to 5,318.34, 7,338.24 and 3,221.25 is: 4,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.34 : 7,338.24 = 3,221.25 : x
  2. Step 2: Convert to fraction form
    5,318.34/7,338.24 = 3,221.25/x
  3. Step 3: Cross multiply
    5,318.34x = 7,338.24 × 3,221.25
  4. Step 4: Simplify right side
    5,318.34x = 23,638,305.60
  5. Step 5: Solve for x
    x = 23,638,305.60/5,318.34
  6. Step 6: Final answer
    x = 4,444.68

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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.