Home / 4,321.63-6,482.44-1,243.63

Finding the Fourth Proportional to 4,321.63, 6,482.44 and 1,243.63

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Solution

The fourth proportional to 4,321.63, 6,482.44 and 1,243.63 is: 1,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.63 : 6,482.44 = 1,243.63 : x
  2. Step 2: Convert to fraction form
    4,321.63/6,482.44 = 1,243.63/x
  3. Step 3: Cross multiply
    4,321.63x = 6,482.44 × 1,243.63
  4. Step 4: Simplify right side
    4,321.63x = 8,061,724.45
  5. Step 5: Solve for x
    x = 8,061,724.45/4,321.63
  6. Step 6: Final answer
    x = 1,865.44

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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.