Home / 5,308.66-7,962.99-2,190.43

Finding the Fourth Proportional to 5,308.66, 7,962.99 and 2,190.43

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Solution

The fourth proportional to 5,308.66, 7,962.99 and 2,190.43 is: 3,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.66 : 7,962.99 = 2,190.43 : x
  2. Step 2: Convert to fraction form
    5,308.66/7,962.99 = 2,190.43/x
  3. Step 3: Cross multiply
    5,308.66x = 7,962.99 × 2,190.43
  4. Step 4: Simplify right side
    5,308.66x = 17,442,372.19
  5. Step 5: Solve for x
    x = 17,442,372.19/5,308.66
  6. Step 6: Final answer
    x = 3,285.65

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Double scale
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Similar ratio
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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.