Home / 4,095.50-6,142.98-1,321.44

Finding the Fourth Proportional to 4,095.50, 6,142.98 and 1,321.44

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Solution

The fourth proportional to 4,095.50, 6,142.98 and 1,321.44 is: 1,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.50 : 6,142.98 = 1,321.44 : x
  2. Step 2: Convert to fraction form
    4,095.50/6,142.98 = 1,321.44/x
  3. Step 3: Cross multiply
    4,095.50x = 6,142.98 × 1,321.44
  4. Step 4: Simplify right side
    4,095.50x = 8,117,579.49
  5. Step 5: Solve for x
    x = 8,117,579.49/4,095.50
  6. Step 6: Final answer
    x = 1,982.07

Related Problems

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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.