Home / 4,247.61-6,371.41-1,326.16

Finding the Fourth Proportional to 4,247.61, 6,371.41 and 1,326.16

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Solution

The fourth proportional to 4,247.61, 6,371.41 and 1,326.16 is: 1,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.61 : 6,371.41 = 1,326.16 : x
  2. Step 2: Convert to fraction form
    4,247.61/6,371.41 = 1,326.16/x
  3. Step 3: Cross multiply
    4,247.61x = 6,371.41 × 1,326.16
  4. Step 4: Simplify right side
    4,247.61x = 8,449,531.90
  5. Step 5: Solve for x
    x = 8,449,531.90/4,247.61
  6. Step 6: Final answer
    x = 1,989.24

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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.