Home / 4,090.32-6,136.32-1,316.16

Finding the Fourth Proportional to 4,090.32, 6,136.32 and 1,316.16

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Solution

The fourth proportional to 4,090.32, 6,136.32 and 1,316.16 is: 1,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.32 : 6,136.32 = 1,316.16 : x
  2. Step 2: Convert to fraction form
    4,090.32/6,136.32 = 1,316.16/x
  3. Step 3: Cross multiply
    4,090.32x = 6,136.32 × 1,316.16
  4. Step 4: Simplify right side
    4,090.32x = 8,076,378.93
  5. Step 5: Solve for x
    x = 8,076,378.93/4,090.32
  6. Step 6: Final answer
    x = 1,974.51

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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.