Home / 4,090.92-6,136.60-1,317.39

Finding the Fourth Proportional to 4,090.92, 6,136.60 and 1,317.39

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Solution

The fourth proportional to 4,090.92, 6,136.60 and 1,317.39 is: 1,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.92 : 6,136.60 = 1,317.39 : x
  2. Step 2: Convert to fraction form
    4,090.92/6,136.60 = 1,317.39/x
  3. Step 3: Cross multiply
    4,090.92x = 6,136.60 × 1,317.39
  4. Step 4: Simplify right side
    4,090.92x = 8,084,295.47
  5. Step 5: Solve for x
    x = 8,084,295.47/4,090.92
  6. Step 6: Final answer
    x = 1,976.16

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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.