Home / 5,399.68-8,094.72-2,115.07

Finding the Fourth Proportional to 5,399.68, 8,094.72 and 2,115.07

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Solution

The fourth proportional to 5,399.68, 8,094.72 and 2,115.07 is: 3,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.68 : 8,094.72 = 2,115.07 : x
  2. Step 2: Convert to fraction form
    5,399.68/8,094.72 = 2,115.07/x
  3. Step 3: Cross multiply
    5,399.68x = 8,094.72 × 2,115.07
  4. Step 4: Simplify right side
    5,399.68x = 17,120,899.43
  5. Step 5: Solve for x
    x = 17,120,899.43/5,399.68
  6. Step 6: Final answer
    x = 3,170.72

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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.