Home / 5,290.48-7,299.16-3,195.12

Finding the Fourth Proportional to 5,290.48, 7,299.16 and 3,195.12

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Solution

The fourth proportional to 5,290.48, 7,299.16 and 3,195.12 is: 4,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.48 : 7,299.16 = 3,195.12 : x
  2. Step 2: Convert to fraction form
    5,290.48/7,299.16 = 3,195.12/x
  3. Step 3: Cross multiply
    5,290.48x = 7,299.16 × 3,195.12
  4. Step 4: Simplify right side
    5,290.48x = 23,321,692.10
  5. Step 5: Solve for x
    x = 23,321,692.10/5,290.48
  6. Step 6: Final answer
    x = 4,408.24

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Similar ratio
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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.