Home / 7,386.21-11,079.29-3,003.63

Finding the Fourth Proportional to 7,386.21, 11,079.29 and 3,003.63

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Solution

The fourth proportional to 7,386.21, 11,079.29 and 3,003.63 is: 4,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.21 : 11,079.29 = 3,003.63 : x
  2. Step 2: Convert to fraction form
    7,386.21/11,079.29 = 3,003.63/x
  3. Step 3: Cross multiply
    7,386.21x = 11,079.29 × 3,003.63
  4. Step 4: Simplify right side
    7,386.21x = 33,278,072.80
  5. Step 5: Solve for x
    x = 33,278,072.80/7,386.21
  6. Step 6: Final answer
    x = 4,505.43

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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.