Home / 4,809.80-7,214.70-4,408.85

Finding the Fourth Proportional to 4,809.80, 7,214.70 and 4,408.85

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Solution

The fourth proportional to 4,809.80, 7,214.70 and 4,408.85 is: 6,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.80 : 7,214.70 = 4,408.85 : x
  2. Step 2: Convert to fraction form
    4,809.80/7,214.70 = 4,408.85/x
  3. Step 3: Cross multiply
    4,809.80x = 7,214.70 × 4,408.85
  4. Step 4: Simplify right side
    4,809.80x = 31,808,530.10
  5. Step 5: Solve for x
    x = 31,808,530.10/4,809.80
  6. Step 6: Final answer
    x = 6,613.28

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Half scale
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Double scale
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Similar ratio
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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.