Home / 6,649.09-9,175.41-3,816.32

Finding the Fourth Proportional to 6,649.09, 9,175.41 and 3,816.32

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Solution

The fourth proportional to 6,649.09, 9,175.41 and 3,816.32 is: 5,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.09 : 9,175.41 = 3,816.32 : x
  2. Step 2: Convert to fraction form
    6,649.09/9,175.41 = 3,816.32/x
  3. Step 3: Cross multiply
    6,649.09x = 9,175.41 × 3,816.32
  4. Step 4: Simplify right side
    6,649.09x = 35,016,254.81
  5. Step 5: Solve for x
    x = 35,016,254.81/6,649.09
  6. Step 6: Final answer
    x = 5,266.32

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.