Home / 5,395.92-8,090.67-2,105.16

Finding the Fourth Proportional to 5,395.92, 8,090.67 and 2,105.16

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Solution

The fourth proportional to 5,395.92, 8,090.67 and 2,105.16 is: 3,156.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.92 : 8,090.67 = 2,105.16 : x
  2. Step 2: Convert to fraction form
    5,395.92/8,090.67 = 2,105.16/x
  3. Step 3: Cross multiply
    5,395.92x = 8,090.67 × 2,105.16
  4. Step 4: Simplify right side
    5,395.92x = 17,032,154.86
  5. Step 5: Solve for x
    x = 17,032,154.86/5,395.92
  6. Step 6: Final answer
    x = 3,156.49

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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.