Home / 5,447.03-8,171.45-2,160.14

Finding the Fourth Proportional to 5,447.03, 8,171.45 and 2,160.14

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Solution

The fourth proportional to 5,447.03, 8,171.45 and 2,160.14 is: 3,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.03 : 8,171.45 = 2,160.14 : x
  2. Step 2: Convert to fraction form
    5,447.03/8,171.45 = 2,160.14/x
  3. Step 3: Cross multiply
    5,447.03x = 8,171.45 × 2,160.14
  4. Step 4: Simplify right side
    5,447.03x = 17,651,465.20
  5. Step 5: Solve for x
    x = 17,651,465.20/5,447.03
  6. Step 6: Final answer
    x = 3,240.57

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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.