Home / 5,447.21-8,168.97-1,937.06

Finding the Fourth Proportional to 5,447.21, 8,168.97 and 1,937.06

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Solution

The fourth proportional to 5,447.21, 8,168.97 and 1,937.06 is: 2,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.21 : 8,168.97 = 1,937.06 : x
  2. Step 2: Convert to fraction form
    5,447.21/8,168.97 = 1,937.06/x
  3. Step 3: Cross multiply
    5,447.21x = 8,168.97 × 1,937.06
  4. Step 4: Simplify right side
    5,447.21x = 15,823,785.03
  5. Step 5: Solve for x
    x = 15,823,785.03/5,447.21
  6. Step 6: Final answer
    x = 2,904.93

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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.