Home / 5,464.80-8,196.40-2,001.28

Finding the Fourth Proportional to 5,464.80, 8,196.40 and 2,001.28

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Solution

The fourth proportional to 5,464.80, 8,196.40 and 2,001.28 is: 3,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,464.80 : 8,196.40 = 2,001.28 : x
  2. Step 2: Convert to fraction form
    5,464.80/8,196.40 = 2,001.28/x
  3. Step 3: Cross multiply
    5,464.80x = 8,196.40 × 2,001.28
  4. Step 4: Simplify right side
    5,464.80x = 16,403,291.39
  5. Step 5: Solve for x
    x = 16,403,291.39/5,464.80
  6. Step 6: Final answer
    x = 3,001.63

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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.